Do you have to be a member of Planet Fitness?

Yes unless with. MEmber

Yes you do, unless you go as a guest.

yes

Yes unless you go with someone with the black card

Yes, but certain members can bring a guest. Depends on tbe membership they pay

Yes, but a member can bring you in as a visitor, depending on the type of membership one has.

Yes...but its low cost and they have specials all the time

Yes, unless you are going in with a guest pass or along side someone who has a black card membership.