Deduction Guides
Schedule C Deduction Guides
Substantive guides to the Schedule C deduction categories that reduce both income tax and self-employment tax. Browse 126 entries below, organized by category.
COGS & Inventory · 1
Contract Labor · 1
Depreciation · 4
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DepreciationBonus Depreciation
Bonus depreciation lets businesses depreciate a percentage of new and used property in the first year placed in service.
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DepreciationDepreciation Catch-Up (Form 3115)
Missed depreciation from prior years can be claimed in the current year through a Section 481(a) adjustment on Form 3115.
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DepreciationOffice Equipment and Computers
Computers, monitors, printers, and office equipment are depreciable over 5 years (or expensed under Section 179, bonus depreciation, or the de minimis safe har…
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DepreciationSection 179 Expensing
Section 179 lets active small businesses immediately expense qualifying tangible personal property up to an annual cap.
Education · 1
Health & Insurance · 3
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Health & InsuranceBusiness Liability Insurance
Premiums for general liability, professional liability, errors and omissions, business property, and similar business insurance are fully deductible.
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Health & InsuranceOut-of-Pocket Medical Expenses (Schedule A)
Out-of-pocket medical expenses above 7.5% of AGI are deductible on Schedule A as an itemized deduction.
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Health & InsuranceSelf-Employed Health Insurance Deduction
Self-employed taxpayers may deduct 100% of health, dental, vision, and qualified long-term care insurance premiums above the line, reducing AGI.
Home Office · 3
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Home OfficeHome Office Deduction
Sole proprietors who use part of their home regularly and exclusively for business may deduct an allocable share of home expenses.
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Home OfficeRenters Insurance Allocation (Home Office)
A portion of homeowners or renters insurance attributable to the home office is deductible as an indirect home-office expense.
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Home OfficeUtilities (Business Portion)
The business-use portion of home utilities (electricity, gas, water, sewer, trash) is deductible as an indirect home-office expense.
Industry Guides · 35
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Industry GuidesAmazon FBA Seller — Schedule C Deductions Guide
Amazon FBA sellers track inventory cost of goods sold, FBA storage and fulfillment fees, sponsored-product advertising, and supplier-trip travel — and must coo…
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Industry GuidesBooth-Rental Hair Stylist — Schedule C Deductions Guide
A booth-rental stylist files Schedule C, deducts booth rent, color and supply COGS, tools, education classes, and the cost of building a clientele through mark…
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Industry GuidesDog Walker & Pet Sitter — Schedule C Deductions Guide
Walkers and sitters using Rover, Wag, or independent clients deduct mileage, app fees, leashes and supplies, and a small home office for booking.
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Industry GuidesEtsy & Handmade Seller — Schedule C Deductions Guide
Etsy sellers report platform sales on Schedule C, deduct cost of materials through cost of goods sold, and add Etsy fees, shipping supplies, and pattern licens…
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Industry GuidesFood Truck Operator — Schedule C Deductions Guide
A food truck combines mobile vehicle expenses, kitchen equipment depreciation, commissary rent, and event-fee deductions in one of the most complex single-owne…
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Industry GuidesFreelance Graphic Designer — Schedule C Deductions Guide
Designers running a one-person studio file Schedule C and typically claim deductions across software (Adobe, Figma), hardware depreciation, contract labor for…
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Industry GuidesFreelance Writer & Editor — Schedule C Deductions Guide
A freelance writer's Schedule C usually leans on a small number of high-leverage deductions: home office, software subscriptions, professional development, bus…
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Industry GuidesGeneral Contractor (Sole Prop) — Schedule C Deductions Guide
Sole-prop GCs deduct subcontractor labor, materials, vehicle expenses, tool depreciation, builder's-risk insurance, and the cost of permits — and must issue 10…
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Industry GuidesHVAC Technician (1099) — Schedule C Deductions Guide
HVAC techs running a one-truck operation deduct EPA 608 certification renewals, refrigerant inventory, vehicle costs, and tool depreciation.
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Industry GuidesHandyman / Odd-Jobs Sole Prop — Schedule C Deductions Guide
A handyman deducts vehicle mileage, materials passed through to clients (or held in inventory), tool depreciation, and liability insurance — with care to issue…
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Industry GuidesIndependent Electrician — Schedule C Deductions Guide
An independent electrician deducts vehicle expenses, tool depreciation, continuing-education hours, license renewals, and inventory of parts kept on the truck.
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Industry GuidesIndependent Insurance Agent — Schedule C Deductions Guide
A captive or independent insurance agent deducts errors-and-omissions premiums, CRM, drip-marketing software, conference travel, and continuing-education cours…
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Industry GuidesIndependent Mortgage Broker — Schedule C Deductions Guide
Mortgage brokers deduct CRM software, lead-generation costs, continuing education, surety bond premiums, and the home office used to meet clients.
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Industry GuidesIndependent Plumber — Schedule C Deductions Guide
A plumber files Schedule C and deducts truck inventory, vehicle and fuel costs, tool depreciation, license renewals, and union or association dues.
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Industry GuidesIndependent Podcaster — Schedule C Deductions Guide
A monetized podcast files Schedule C and deducts hosting, microphone and interface depreciation, editor contract labor, music licensing, and sponsored-content…
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Industry GuidesLandscape & Lawn Care Sole Prop — Schedule C Deductions Guide
A landscaping sole prop deducts mower and equipment depreciation under Section 179, fuel and trailer costs, supplies and chemicals, and crew labor as contract…
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Industry GuidesMassage Therapist (Sole Prop) — Schedule C Deductions Guide
Sole-prop massage therapists deduct table depreciation, linen laundry, oils and supplies, room rent, and continuing-education hours required for licensure.
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Industry GuidesMobile Dog Groomer — Schedule C Deductions Guide
A mobile dog groomer combines vehicle deductions with shampoo and supply COGS, tool depreciation, generator fuel, and liability insurance.
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Industry GuidesNail Salon Owner — Schedule C Deductions Guide
A nail salon owner deducts product COGS, station rent, autoclave and ventilation equipment depreciation, payroll, and supplies — while carefully tracking tip i…
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Industry GuidesOnline Course Creator — Schedule C Deductions Guide
A course creator deducts course-platform fees (Teachable, Kajabi, Thinkific), email-marketing software, ad spend, and contract labor for editing and design.
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Industry GuidesPersonal Trainer (Independent) — Schedule C Deductions Guide
An independent trainer pays gym booth rent or in-home travel costs, deducts certification renewals, music licensing, equipment, and apparel that meets the stri…
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Industry GuidesPrivate Music Teacher — Schedule C Deductions Guide
An independent music teacher deducts instrument depreciation, sheet-music inventory, studio rent or home-office, and the cost of recital venues.
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Industry GuidesPrivate Tutor (1099) — Schedule C Deductions Guide
A 1099 tutor deducts curriculum materials, tutoring-platform fees, vehicle mileage to client homes, and a home office used for lesson prep.
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Industry GuidesReal Estate Agent (Sole Prop) — Schedule C Deductions Guide
Independent real-estate agents report commissions on Schedule C and deduct broker fees, MLS dues, signage, staging, and mileage to and between showings — with…
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Industry GuidesResidential Cleaning Service — Schedule C Deductions Guide
A residential cleaner deducts supplies, vehicle mileage to client homes, payroll for crew members, bonding insurance, and online-booking software.
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Industry GuidesRideshare & Delivery Driver — Schedule C Deductions Guide
Uber, Lyft, DoorDash, and Instacart drivers are independent contractors who file Schedule C and owe self-employment tax on net earnings — which makes vehicle e…
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Industry GuidesShopify & Independent E-commerce Operator — Schedule C Deductions Guide
Shopify operators report sales on Schedule C and deduct platform subscription, app fees, payment processing, fulfillment software, and freight-in to inventory.
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Industry GuidesSole-Prop Restaurant Owner — Schedule C Deductions Guide
A sole-prop or single-member-LLC restaurant deducts food and beverage cost of goods sold, kitchen equipment depreciation, payroll, rent, utilities, and a long…
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Industry GuidesSolo Dentist — Schedule C Deductions Guide
A solo dentist deducts dental-equipment depreciation, malpractice insurance, hygienist payroll, supply COGS, and continuing-education hours required for licens…
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Industry GuidesSolo Practitioner Attorney — Schedule C Deductions Guide
A solo attorney files Schedule C (or as an S-corp shareholder) and deducts malpractice insurance, bar dues, CLE, legal-research subscriptions (Westlaw, Lexis),…
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Industry GuidesTherapist in Private Practice — Schedule C Deductions Guide
A private-practice therapist deducts office rent, EHR software (SimplePractice, TherapyNotes), clinical supervision, malpractice insurance, and license renewal…
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Industry GuidesVirtual Assistant — Schedule C Deductions Guide
A VA's Schedule C is dominated by home-office, software-subscription, and self-employed health insurance deductions, with a long tail of small client-specific…
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Industry GuidesWedding & Portrait Photographer — Schedule C Deductions Guide
A photographer's biggest Schedule C line items are camera-body and lens depreciation under Section 179, second-shooter contract labor, travel to venues, and al…
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Industry GuidesYoga Instructor (1099) — Schedule C Deductions Guide
A 1099 yoga instructor deducts studio rent splits, mat and prop inventory, teacher-training tuition, and travel between studios.
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Industry GuidesYouTube Creator — Schedule C Deductions Guide
A YouTube creator with AdSense, sponsorship, or merch revenue files Schedule C and deducts camera and lighting depreciation, editor labor, royalty-free music,…
Interest · 2
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InterestBusiness Loan Interest
Interest on loans used in your trade or business is fully deductible (subject to the Section 163(j) limitation for larger businesses).
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InterestTracing Loan Proceeds for Interest Deductibility
Interest is deductible based on what the borrowed funds were spent on, not what the loan is called.
Marketing · 3
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MarketingAdvertising and Marketing
Money spent on advertising, marketing campaigns, and promotional materials is fully deductible in the year incurred.
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MarketingBusiness Gifts ($25 Limit)
Business gifts to customers, clients, and vendors are deductible up to $25 per recipient per year.
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MarketingWebsite Development and Hosting
Website costs are generally deductible as advertising; large initial development costs may be capitalized and amortized.
Office Expenses · 11
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Office ExpensesBank Fees and Merchant Processing Fees
Bank fees, merchant processor fees, and credit card processing fees incurred in your trade or business are fully deductible.
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Office ExpensesBusiness Cell Phone
The business-use portion of a cell phone is deductible.
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Office ExpensesBusiness Internet and Phone
The business-use portion of internet, cell phone, and second-line phone service is deductible.
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Office ExpensesCredit Card and Payment Processor Fees
Fees charged by Stripe, Square, PayPal, Shopify Payments, and other payment processors are deductible business expenses.
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Office ExpensesIndustry Publications and Memberships
Industry trade publications, professional association memberships, and reference subscriptions are deductible.
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Office ExpensesOffice Supplies
Office supplies consumed in the business — paper, ink, postage, small office equipment — are fully deductible in the year purchased.
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Office ExpensesOffice Utilities (Non-Home)
Utilities for a separate business office (electricity, water, gas, internet, cleaning) are fully deductible.
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Office ExpensesRepairs and Maintenance
Repairs and maintenance that keep property in efficient operating condition (without prolonging its life) are currently deductible.
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Office ExpensesShipping, Postage, and Delivery
Business shipping, postage, and delivery costs are fully deductible.
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Office ExpensesSoftware and SaaS Subscriptions
Software subscriptions (SaaS) used in your business are fully deductible in the year paid for cash-method taxpayers.
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Office ExpensesWork Clothing and Uniforms
Clothing is deductible only if it is required for work AND not suitable for ordinary wear — a narrow standard.
Professional Services · 2
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Professional ServicesLegal and Accounting Fees
Legal, accounting, tax preparation, and consulting fees paid for the business are deductible.
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Professional ServicesTax Preparation Fees (Business Portion)
The business portion of tax preparation fees is deductible on Schedule C; the personal portion is not deductible during 2018-2025.
QBI · 1
Rent & Lease · 2
Retirement · 5
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RetirementRoth IRA Conversion Strategies
Converting traditional IRA balances to Roth in low-income years locks in lower tax rates and creates tax-free retirement income.
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RetirementSEP-IRA Contributions
Self-employed individuals can deduct contributions to a Simplified Employee Pension (SEP) IRA up to 25% of compensation (20% effective for self-employed).
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RetirementSIMPLE IRA Contributions
A SIMPLE IRA is a small-employer retirement plan with low administrative cost and automatic employee eligibility.
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RetirementSolo 401(k) Contributions
A solo 401(k) is a 401(k) plan covering only an owner (and optionally a spouse), permitting both employee deferrals and employer contributions.
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RetirementTraditional IRA Contributions
Traditional IRA contributions are deductible up to the annual limit, with phase-outs based on retirement plan coverage and income.
Schedule C Line · 1
Schedule C Line 11 · 1
Schedule C Line 13 · 3
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Schedule C Line 13Schedule C Line 13: Depreciation — Bonus Depreciation
Bonus depreciation under §168(k) is a separate, automatic accelerated deduction that complements Section 179 — and is being phased down 20 percentage points pe…
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Schedule C Line 13Schedule C Line 13: Depreciation — Listed Property Rules
Listed property — passenger autos, certain other vehicles, and (historically) computers used outside a regular business establishment — has additional substant…
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Schedule C Line 13Schedule C Line 13: Depreciation — The Section 179 Election
Section 179 lets a small business expense the full cost of qualifying equipment, software, and vehicles in the year placed in service — up to a six-figure annu…
Schedule C Line 14 · 1
Schedule C Line 15 · 1
Schedule C Line 16a · 1
Schedule C Line 16b · 1
Schedule C Line 17 · 1
Schedule C Line 18 · 1
Schedule C Line 19 · 1
Schedule C Line 20a · 1
Schedule C Line 20b · 1
Schedule C Line 21 · 1
Schedule C Line 22 · 1
Schedule C Line 23 · 1
Schedule C Line 24a · 1
Schedule C Line 24b · 1
Schedule C Line 25 · 1
Schedule C Line 26 · 1
Schedule C Line 27a · 1
Schedule C Line 30 · 1
Schedule C Line 8 · 3
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Schedule C Line 8Schedule C Line 8: Advertising — Google Ads & Paid Search
Search advertising spend belongs on Schedule C Line 8 and is fully deductible in the year incurred — no capitalization, no amortization, no Section 179 electio…
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Schedule C Line 8Schedule C Line 8: Advertising — Print, Direct Mail, & Signage
Traditional advertising spend — print ads, direct mail, billboards, vehicle wraps, and trade-show signage — is fully deductible on Schedule C Line 8 with no us…
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Schedule C Line 8Schedule C Line 8: Advertising — Social Media (Meta, TikTok, LinkedIn)
Paid social campaigns on Meta, TikTok, LinkedIn, X, and Pinterest are 100% deductible on Schedule C Line 8 in the year paid, even when the campaign objective i…
Schedule C Line 9 · 2
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Schedule C Line 9Schedule C Line 9: Establishing Your Vehicle's Business-Use Percentage
The first step in any Schedule C vehicle deduction is determining what percent of total annual miles were business miles — a calculation that drives both the s…
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Schedule C Line 9Schedule C Line 9: Mileage Log Requirements That Survive an Audit
A defensible mileage log captures date, starting odometer, ending odometer, business purpose, and destination for each trip — created contemporaneously, not re…
Self-Employment Tax · 1
Specialty · 6
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SpecialtyBad Debts (Accrual Basis Only)
Accrual-basis taxpayers may deduct business bad debts that were previously included in income and are now uncollectible.
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SpecialtyCharitable Donations of Inventory
Inventory donations by a business follow special rules that often produce a deduction equal to basis only — sometimes more for food and certain other categorie…
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SpecialtyForeign Earned Income Exclusion for Self-Employed Expats
Self-employed US citizens working abroad can exclude up to a generous annual amount of foreign earned income from US tax — but the exclusion does not apply to…
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SpecialtyResearch and Experimentation (Section 174 / 41)
R&E expenditures must be capitalized and amortized under Section 174; many qualify for the Section 41 R&E credit.
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SpecialtySection 1202 Qualified Small Business Stock
Section 1202 lets founders and early investors exclude up to 100% of gain on the sale of qualifying C-corporation stock held more than five years.
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SpecialtyWhy Cash-Basis Filers Can't Deduct Bad Debts
Cash-basis taxpayers never recognized the income from an unpaid invoice, so there is no deduction available when the receivable is written off.
Start-up & Organization · 2
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Start-up & OrganizationOrganizational Costs
Costs to legally form a corporation or partnership are eligible for the same $5,000 immediate deduction and 15-year amortization treatment as start-up costs.
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Start-up & OrganizationStart-Up Expenses
Up to $5,000 of start-up expenses can be deducted in the year the business begins; the rest amortizes over 15 years.
Taxes · 3
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TaxesEmployer Payroll Taxes
Employer-side payroll taxes (FICA, FUTA, state unemployment) on employee wages are deductible business expenses.
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TaxesLicenses, Permits, and Regulatory Fees
Business licenses, permits, regulatory filing fees, and professional licensing fees are fully deductible.
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TaxesSales Tax (As Cost of Goods)
Sales tax paid on business purchases is part of the cost basis of the item — not separately deductible as a tax.
Travel & Meals · 4
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Travel & MealsBusiness Meals (50% Deduction)
Business meals are generally deductible at 50% when the taxpayer is present and the meal is not lavish or extravagant.
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Travel & MealsBusiness Travel Deduction
Travel away from your tax home overnight for business is deductible at 100% (except meals at 50%).
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Travel & MealsConference and Convention Attendance
Attending business-related conferences is deductible — registration, travel, lodging, and 50% of meals.
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Travel & MealsDistinguishing Business Gifts, Meals, and Entertainment
After TCJA, careful classification matters: gifts (capped at $25), meals (50%), and entertainment (non-deductible) follow different rules.
Vehicle · 6
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VehicleBusiness Parking, Tolls, and Vehicle Registration
Business parking, tolls, and the business portion of vehicle registration are deductible separately from the standard mileage rate.
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VehicleChoosing Standard Mileage vs Actual Method
The choice between standard mileage and actual expenses is irrevocable for the life of the vehicle if you start with actual.
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VehicleLeased Vehicle Deductions and Lease Inclusion
Lease payments on a business vehicle are deductible — but luxury leases face an annual income inclusion that mirrors the depreciation cap on purchased vehicles.
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VehicleMileage Log Best Practices
A defensible mileage log captures date, miles, destination, and business purpose for each business trip — contemporaneously.
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VehicleSection 179 on Vehicles ("SUV Loophole")
Heavy SUVs, trucks, and vans used more than 50% for business may qualify for an immediate Section 179 deduction up to a special cap.
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VehicleVehicle Expenses: Standard Mileage vs Actual
Self-employed taxpayers may deduct vehicle expenses using either the IRS standard mileage rate or actual expenses prorated by business-use percentage.
Wages & Payroll · 2
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Wages & PayrollEmployee Benefits
Employer-paid employee benefits — health insurance, retirement contributions, education assistance, dependent care — are deductible business expenses.
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Wages & PayrollEmployee Wages
Wages paid to employees are deductible on Schedule C line 26 (and the matching employer-side payroll taxes elsewhere).