A problem there still is with Amazon is only accepts credit cards, which are not as normal to have here in EU as in US... It's linked to your income, they look at if you are safe in credit so you don't overspend with it. They still don't use Stripe or something so you can link payment by bank account for instance. There are prepay cc's one can buy to use though.

I do have a cc now, but still don't use Amazon US because of the import taxes/duties to EU, just not worth it anymore, everything gets 21%+ on top.

For our Finnish ac it's best to use Google shopping or eBay for instance to search through EU and get it shipped from within, easiest and cheapest for us Euros.