Are there vendors that sell video games?

Yes..you can find almost anything!

Yes they have all kinds at good prices

Yes, from old ones like Atari and NES, to Xbox1 and Nintendo switch, and definitely way cheaper than Wal-Mart or a game store

There's all kind of stuff out there most of the time you get a cheaper at Walmart nowadays do white folks and Mexicans are charging more than the stores

Yes of all sorts