DOTA 2 free copies??

Steam gives them away to owners.

I played the game for like an hour. Hated it, so I deleted it. Log into Steam today to find I have 30 new items in my inventory. Yup, all DOTA 2 gifts. FFFUUU

Dota is a free 2 play game, it's still in beta and constantly updated (although it's not really an unfinished game, they're basically adding more features and heroes!).
That $30 price tag is for the items that is included in that early access, Only and only the items, the game it self is free. you can get for like 3 cents on steam market if you don't have an invite!

P.S. There's a harsh learning curve to dota, specially for new players. I suggest you reading guides and focusing on 1 hero at first and there's a new Tutorial like Quests that you can play, it'll teach you some of the basics of the game. It will be updated more.

I really didn't know about all this free Dota 2...

Over 50 free copies of DOTA 2 in my inventory!

...yeah, it's free. See, the $30 game gives you bonuses that the free invites don't. So you're buying DOTA 2 for the bonuses, really.