It doesn't take much to be a business though, depending on your jurisdiction.
In washington state, it took me like 15 minutes and $55 to register a business earlier this year, which I did so I could register for a business internet account that I ended up not doing (T-Mobile 5G small business internet can give you a static IP for $3/month, but only if you setup your account with an EIN, but I had some big issues with connecting the equipment to my LAN on the 'sole proprietor' account, and then major service issues returning everything, so I'm kind of done with them for a while)