gpu availability

Given the fact there is a massive shortage for cards because of covid, customer demand, scalpers, and bitcoin douchebag miners why aren't retailers offering a preorder waitlist? I would gladly pay full retail price to be put on a first come first serve waitlist even if it means I have to wait...

Hello, I'm from Peru and just want to know how long is a specific GPU manufactured/what is the production time of a specific GPU. (Sorry, English isn't my first language), I'm looking for the MSI RTX 3070 Gaming X Trio, the quietest 3070 card available today, I think. In these 2 weeks or so...