Those are: casino model, door security and vault door. So my question is, I've to buy them er'time I do the heist or is one time buy and I'll have it in every set up I do?

You can mark certain locations on your map by pressing Y to place them, or press Y again to get rid of them. it doesn't act as a waypoint because they don't appear on the radar and you can still mark these points with the waypoint. It can save the location of places you want to visit, but later in the game.

Review, FAQ, & New Player Guide\n\n PokerStars currently has legal, regulated online poker sites in three US states  New Jersey, Michigan, and Pennsylvania. On Jan 1, 2024, PokerStars combined their NJ and MI player pools, forming a single PokerStars US Network.

PokerStars is legal in the US for online casino players aged 21 or older.