This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
Then you pay at the counter for the amount of gas you want to pump and if you overpay you go back to the counter and they give you back the difference.
Then you pay at the counter for the amount of gas you want to pump and if you overpay you go back to the counter and they give you back the difference.