If you said yes to any of these, be prepared to receive a 1099-K from the Internal Revenue Service. Asking yourself what's a 1099-K? Don't panic. Here's what you need to know about this tax from.

This year, some gig workers, freelancers and small business owners received an unfamiliar IRS tax form: a 1099-K. If you're one of them, how you report this form on your tax return could ...