
Repairs vs. Improvements: The Tax Rule That Saves Small Businesses Thousands
Deduct repair costs immediately or depreciate improvements? Learn the IRS BAR test and the 27.5- or 39-year rules to lower your small business tax bill.

Deduct repair costs immediately or depreciate improvements? Learn the IRS BAR test and the 27.5- or 39-year rules to lower your small business tax bill.

Schedule A itemized deductions return in play for 2026 as the SALT cap rises from $10,000 to $40,400, charitable gifts face a new 0.5% AGI floor, and the $750,000 mortgage interest cap becomes permanent. This guide covers what qualifies, what changed under the OBBB, and how to decide whether itemizing beats the standard deduction.

File Schedule C with Form 1040 if you earned $400+ from self-employment. Learn filing thresholds, deductions, record-keeping, and audit red flags for sole

Schedule K-1 reports your share of pass-through income from a partnership, S corporation, or trust — and you owe tax on your allocation, not on the cash you actually received. A working guide to each major box, the phantom income trap, partner basis rules, the 2026 filing timeline, and six mistakes that cost K-1 recipients real money every year.

Section 174 of the U.S. tax code restored immediate domestic R&D expensing in 2025 under the One Big Beautiful Bill Act, and small businesses have until July 6, 2026 to amend 2022–2024 returns and reclaim refunds on previously capitalized research costs.

Understand the US federal Section 179 deduction for 2026, including the $2,560,000 limit, eligible equipment, vehicle restrictions, business-income ceiling, and IRS filing rules.

Self-employed filers can deduct 100% of qualifying health insurance premiums above-the-line via Form 7206 and Schedule 1 line 17, provided the business is profitable and neither spouse had access to subsidized employer coverage. The guide covers S corporation W-2 requirements, ACA marketplace subsidy circular calculations, age-based long-term care caps, and the five most common errors that trigger IRS disallowance.

A practical reference for small business owners on what records the IRS requires, how long to keep each type (3, 4, 6, or 7 years), the de minimis $75 receipt rule, and how to build a system you will actually maintain month after month.

A 2026 reference for Social Security tax: the 6.2% employee and employer rate, the $184,500 wage base, the 15.3% self-employment rate with its 92.35% adjustment, Form 941 deposit rules, and the six mistakes that most often trigger IRS payroll penalties against small businesses.

Section 195 lets new businesses deduct up to $5,000 of startup costs and another $5,000 of organizational costs under Section 248/709 in the first year, with the remainder amortized over 180 months. Phase-out begins at $50,000 and eliminates the immediate deduction at $55,000.

SUTA is the state-level payroll tax that funds unemployment insurance. Every U.S. employer owes it, rates range from under 1% to over 10%, and late payments can cost the 5.4% FUTA credit — turning a $42 federal bill into $420 per employee.

When a tax attorney is worth hiring instead of a CPA or enrolled agent, what they charge in 2026 ($300–$600 per hour, $3,500–$7,500 flat for common matters), and how attorney-client privilege changes what is at stake in audits, collections, and criminal investigations.