Tax

A US LLC for non-residents may owe Form 5472 with a pro forma 1120 even when no income tax is due. Missing a required filing can carry a $25,000 penalty.

1099-K vs 1099-NEC: how the payment method decides which form reports the money, why some people get both for the same work, and what each threshold is.

Does PayPal send a 1099-K? Only for goods and services payments, and for two other reasons as well. What counts, what the gross leaves in, what to check.

Does Amazon send a 1099-K? Yes, above the threshold. The gross includes sales tax and shipping, a refund does not pull it back down, and here is how to check it.

Does eBay send a 1099-K? Yes, for three separate reasons, not just the sales threshold. Who gets one, what the gross leaves in, and what to check first.

Does Etsy send a 1099-K? Yes, if you meet the federal or a state threshold. What the gross number includes, what it leaves out, and how to reproduce it.

Shopify taxes in one map: sales tax nexus, the 1099-K, quarterly payments, deductions, and the tax documents Shopify gives you, with 2026 dates.

Quarterly estimated taxes for a solo Shopify store: the $1,000 rule, the safe-harbor calculation, the four 2026 due dates, and how much to set aside.

TIN reconciliation for a solo Shopify store: when to collect a W-9, how to run free IRS TIN Matching, and what a B Notice actually requires of you.

Sales tax deregistration is not just closing an account. The four-step workflow, what to file first, and how to avoid a trailing state notice.