@OP, there's also
https://github.com/SpiralDevelopment/Awesome-Crypto-TradingAbout buying 1k euros worth of bitcoin. You could try to key in your country and preferred payment method on
https://buybitcoinworldwide.com/ and it'll return matching exchanges. Ideally, you would wanna go with reputable exchanges -- if you're not sure whether or not an exchange is reputable, you may ask us.
In case, you don't wanna go through identity verification, there's
https://kycnot.me/?t=exchange&q=&fiat=on you could check out.
I understand its bad people all over the place on eart but is not their accounts getting a bad feedback then?
I would say many scammers would gladly take a bad feedback if they can scam 1K euros or even less plus they could always use throwaway accounts for this. Scam PMs are rampant in most crypto communities so I would also advise you to be cautious from PMs.
Just a small correction if you don't mind. Hodlhodl not decentralized but only non-custodial.