Every site is trying to pull a Bonzai Buddy now.
"We need all your info for advertising, not you can't opt out unless you make an account and give us your email. Oops, looks like I hid the opt-out under a subheader. Amazon is now profiling you."
WE USED TO CALL THAT SHIT A VIRUS.
ITS EVERY. FUCKING. WEBSITE. NOW
"Hi I'm going to block this entire site until you give me your info, this is very cool and normal."
Capitalism ruined the internet. The whole thing is malware now.
That really depends on the country. In Denmark you wouldn't expect to have to pay, although a few places charge people. Often this is done more as an anti-homeless thing than as a revenue generation thing.
In Germany you should expect to pay for a public toilet visit. Enforcement varies, from just a dish of coins with a sign urging you to "tip" the cleaning staff, over a grumpy looking lady sitting next to the dish, shaming you with her eyes to leave a "tip", over said lady only handing you the key to the restroom after you've paid her to having actual turnstiles preventing freeloaders from relieving themselves. As far as I understand this tipping culture exists as a result of the cleaning staff being paid dogshit wages so you should absolutely leave a tip if you're able to.
I can't remember how it is in Sweden but I don't remember it as being as pervasive as in Germany.
europa delenda est
Sweden is a cashless society with coin-operated public toilets :D
(hospitals and schools are where you will find free toilets here)