Simple Question

If you mean a gift in your inventory, yes.
If you mean a game in your library, no.

Ok, thank you :)

yes you can.

if you choose to giveaway a key, you simply need to enter a fake key.
if you choose to giveaway a gift, you don't need to have it in your inventory.

it will cause you problems though if you don't have game for the winner.

no
you need a "spare" key or "gift"...

please close this thread, it was answered... https://www.steamgifts.com/discussion/kKnCw/simple-question#c0apJ6C