They have signs on their pumps saying "cash only" and "prepay inside".
Nice and polite.
Station is now Exxon - 1st visit today - paid using the Exxon App, which worked well.
This station did not accept my GasBuddy discount card. The gentleman running the cash register did not speak very good English and could not explain to me why my card was declined.
Pumps nice. Area clean, well maintained
very low price in everything and gas