i preorderd this on steam but when i go back to the store page it sais pre-purchase did they rip me off or am i all good

well if you paid for it then you have you copy waiting

Pre-Order a game: Order a copy of the game and wait for it to arrive at your home.
Pre-Purchase a game: Buy a digital copy of the game and wait for it to be unlocked for download.

You get the bonus either way.