See, you can do a LOT at the gas station for free.
Webby you are right, read the magazines.
Go to the bathroom
Write obscene material on the bathroom walls
Take a shower........ in the car wash area, just follow a car through
Get cups for your house...disposable of course
Take pennies out of the penny tray
Get straws for your house
Get napkins for your house
Look at a map to figure out where you need to go
Drink water... the condensation off the cold drinks....just lick away
Sniff the candy bars
Wash your car with their squeegy
Charge other people to wash their cars with the stations squeegy
.... insert ideas here....