Is this the golden age to purchase Xbox 360 games?

I recently got an Xbox Series X, and naturally I wanted to go back and enjoy some of the 360 titles that I played as a teen. For once, I feel like I did not miss the boat on buying these games at a decent price. Everybody talks about how cheap SNES and N64 carts used to be, but I wasn’t into retro gaming then, so all I’ve...