[xtiansimon]

> “But there's a wrinkle. What if I've sold nothing? Well, I still have to log on, wait for an MFA code to be send, click through, and report "No Business". I think that's a waste of time.”

Meh. If you’re a business in the US and your products subject to sales tax, you must file even if you have no sales.

I made the mistake as a young freelancer to get a certificate of authority and not file when I had zero sales.