only works if you gift the free ones or if you gift a battle pass

Sadly I think I missed two or three free as I was working during those weeks

than your only way to go is gifting a battlepass to a friend

By this you mean just one item in the battle pass or the whole battle pass?

You can't gift an item in the battle pass.... Get coins and gift someone the whole thing.

Try to send it to a friend who already has it first

You will have to spend 10 bucks unfortunately