Earlier quoted context omitted.
Spain is in the EU, but Spain is not the EU. So he is. But then again, what's the practical reason to pay more than 1k cash?
> more than 1k cash High end electronic equipment, for example. Or do you by personal devices linking them to your name?
Do you really believe you are anonymous?
SIM cards are not, for example, since forever here in Europe.
warranty certificates must contain all your personal data to be valid.
You would renounce to free 2 years warranty only to pay cash?
Why?
what's the deal with that laptop, what's the reason to keep it secret?
Suddenly your secrecy it's much more interesting for the shop owner than you paying with a bank transfer or credit card like any other person would do and not raise any suspicion.
If I was them I would alert someone, in case you'd do something illegal with it, just to be on the safe side.
See? even if you are a criminal using cash just for the sake of using cash it's stupid.
Most shops don't even accept large amount of money in cash, it's dangerous for them and costs them a lot more to handle and keep safe.
even many bank offices or postal office don't keep cash to avoid being robbed. It's for employees safety.