I upvoted this not because I agree but because it's a common question. It's not against federal law at all, but some cities have started banning cashless busine

I upvoted this not because I agree but because it's a common question. It's not against federal law at all, but some cities have started banning cashless businesses. Oh, and Massachusetts. E.g. https://arstechnica.com/tech-policy/2019/03/sorry-amazon-philadelphia-bans-cashless-stores/ https://arstechnica.com/tech-policy/2019/03/sorry-amazon-phi...