Tumbler wrote on Sep 5, 2013, 20:21: You buy games as a gift. If you do this steam asks you if you want add it to your inventory. I do this with sale items I buy but don't immediately want to play. I bought just cause 2 this way on sale and later traded it.
Games you've added to your library are yours forever.
Krovven wrote on Sep 5, 2013, 21:49: You can add games you purchase to your inventory and trade them.
Oh, I didn't realize you were talking about unactivated games. Okay.