....a broken PS2 and PS1 and a working PS1 to Gamestop? Any idea?

Somewhere around a 2 dollar credit to a used games purchase.

YOU WOULD GET NOTHING. TWO BROKEN CONSOLES AND A WORKING PS1. HMMMM. I DO NOT THINK GAMESTOP WOULD ACCEPT BROKEN CONSOLES.

Hello, McDonalds?  I'd like to refund this week-old half-eaten cheesburger.

$2-5 I would think.

Maybe $1 at the most..

Then they will sell it back for $49.99 plus tax.

$5 it's not even worth it.

I would guess nothing for the broken consoles and nothing for the working PS1 since they don't sell those there anymore.

Sell them on either Ebay or Craigs List and do not mention that two of them are broken.

mention that they are broken, some people like buying those for parts.