VIDEO GAMES WANTED - $123 (sunnyvale)

Hi There, I'm looking to buy any video games or consoles that you're willing to sell for 40-60% market value, or to trade up with whatever I have in stock.
I'm mainly looking for working Gameboys and Gamecubes, but feel free to let me know what you have.
If you don't know what your stuff is worth, feel free to send me pictures or a list and we can work something out.
These are the systems I'm willing to buy from: Nintendo: -Gameboy Color -Gameboy Advance -GameCube -Super Nintendo -Nintendo 64 -Nintendo Switch -Nintendo DS -Nintendo 3DS Microsoft: -Xbox Original -Xbox 360 Sony: -PlayStation 1 -PS2 -PS3 Thanks, hope to hear from you soon.
-M