Maybe I'll end up on Amazon, maybe not - they all can deliver quite fast and they all have to adhere to european minium return policy standards. So the handling of returns isn't something most customers ever have to think about.
Just to give an example here's the price comparison for a current AMD CPU: https://geizhals.de/amd-ryzen-7-7700x-100-100000591wof-a2801...
Don't you have anything similar over there?