How do you become money transmitter as a reseller? Many online shops are just fronts for multiple sellers. If it is legal to accept payments in bitcoin, then all is good. Probably the bigger issue is that you have to store customer's data. That is probably unavoidable in most countries.
I was thinking of doing this in Finland, but then you'd be a money transmitter and probably have to do KYC, which trashes the UX and defeats the purpose.
Setting up BTCPay Server or https://opennode.com for my favorite online stores might be a better way to make them accept bitcoin. Help them with bitcoin storage, exchange and accounting. The EU kindly doesn't yet require KYC from them.
What would be even more rad? Crawl online stores onto Shopstr, let users send orders that are paid in Cashu. Notify merchant of pending orders and let them redeem the nuts. User can reclaim the payment if merchant did not respond.
Discussion
If you had your own inventory and order process, that argument would be easier to make. But if you're just filling order forms, exchanging bitcoin and intermediating payments for any online store, I believe the authorities at least in Finland would like to consider you a payment processor.
Buy a box of marbles and sell them directly, there is your inventory 😅 I think it is crazy if you have to pre-buy and store yourself bunch of things before you can sell them online. If you can reliably use an AI agent to order stuff from other sellers, which someone else orders from you, you have already saved lots of costs in comparison to other similar online shops which use payed workers for that. So it should be a viable advantage for an online shop, and you shouod be able to hide your real agenda 🤞