A plain-English guide to the three tax ID numbers most small business owners meet — EIN, SSN, and ITIN — covering who needs which, how to apply directly with the IRS for free, and the common mistakes that trigger penalties or delays.
A practical guide to IRS installment agreements in 2026 — four plan types, setup fees ranging from $0 to $178, eligibility rules for balances up to $50,000, and the common mistakes that trigger default.
How IRS Form 2210 works, when you must file it, the three safe harbors that prevent the underpayment penalty, and how Schedule AI reduces the bill for taxpayers with uneven income. Covers 2026 penalty rates (7% in Q1, 6% in Q2), due dates, and common mistakes.
Understand the IRS requirements for S-Corp reasonable salaries and learn how to accurately track W-2 wages and owner distributions in your Beancount ledger.