So that you can play Gta, Minecraft and Farcry fluently
Yes, unfortunately, the parts are currently twice as expensive because they can't be delivered. I had also considered buying a PC in this price range, but wait a few more months until the prices drop again.
https://www.hardwaredealz.com/bester-gaming-pc-fuer-unter-900-euro-gamer-pc-bis-900-euro
Yes of course, for example this one
You have to pay attention to the individual specs. There are also good ones for the price, which then probably only have an HDD instead of SSD, or otherwise save, but still have good graphics cards from the entry-level to mid-range segment, which are sufficient for today's games for Full HD on high to very high settings. Just make sure not to buy a bad power supply or something like that, as they tend to be cheap and badly suited to the components.
Gaming pc start with 500 euro I think a rtx 3060ti and a ryzen 5 3600 would be quite good. If you also plan to edit veido, then the ryzen 7 2700x.
Unfortunately, nividea is very stingy when it comes to vram.