Just pirate the games instead of using key sites, they're full of chargeback scams that often end up costing developers more money than piracy. Those ten bucks you save really aren't worth the trouble of losing your account over.

With how often Steam games are on sale, you may ass well wait a little longer and buy directly through Valve.

The beauty of PC is that you can also buy games through GOG and Epic if they offer a better price.