Unpopular opinion here... If you tread carefully you'll most likely not succeed. I am not American and I know you guys like to sue eachother for putting cats in microwaves and stuff so maybe this is not great opinion to have in America at the current moment.

I would go for it and put a disclaimer, or I would just incorporate in a country where there's no issues with these things.

all this is hard of course to provide good value, but worthwhile.

Twitters' cost is insane right now, I had quite a few ideas for twitter integrations but they would easily cost thousands per month just to access their API.

I looked into https://github.com/d60/twikit - might not be suitable but you can definitely play around with it. Just don't use your official account as I got shadow banned using it unfortunately.