Tax filing costs in 2026 range from $0 with IRS Free File (AGI ≤ $89,000) to $2,500+ for CPAs handling complex returns—covers all four filing options, what drives costs higher, and five ways to reduce your bill.
The IRS receives about 3 million Form 1040-X filings annually. Learn when you must file an amended return, how to complete the three-column form correctly, and what to expect during the 8–16 week processing window.
A practical guide to calculating income tax liability for sole proprietors, LLCs, S-corps, and C-corps—covering 2026 tax law changes including the 23% QBI deduction and 100% bonus depreciation, plus 7 strategies to legally reduce what you owe.
Independent contractors pay a 15.3% self-employment tax plus federal income tax on net profit. This guide covers quarterly estimated payment deadlines, every major Schedule C deduction, and year-round bookkeeping habits to minimize what you owe.
The Inflation Reduction Act doubled the R&D payroll tax credit for qualifying startups to $500,000, expanded commercial clean energy credits, and boosted IRS enforcement funding—here's what each provision means for your small business tax strategy in 2025 and 2026.
Fewer than 0.5% of returns are audited each year, but unreported income, consecutive business losses, and disproportionate Schedule C deductions can dramatically raise your odds. Here are the 10 most common IRS audit triggers—and how to keep your records audit-ready.
IRS Form 1098 reports your mortgage interest paid and is the key document for claiming the mortgage interest deduction on Schedule A. Covers every box on the form, 2026 deduction limits, the expanded SALT cap, and step-by-step filing instructions.
The 2026 IRS standard mileage rate is 72.5 cents per mile—a $14,500 deduction for 20,000 business miles. This guide covers which miles qualify, how to choose between the standard rate and actual expense method, what your mileage log must contain, and the mistakes that get deductions disallowed.
The 2026 SALT cap increase to $40,000 and a new 0.5% AGI floor on charitable giving change the math on itemizing. Here's who benefits, what qualifies on Schedule A, and how to maximize deductions—including bunching and donor-advised funds.
LLCs offer flexible tax treatment — from pass-through taxation and the now-permanent 20% QBI deduction to S-Corp elections that can save $5,000–$50,000 annually. Covers every major LLC tax benefit, real savings examples, and the 2025 law changes that affect your filing strategy.