Tim Douglass writes:

Most of the c-store gas stations actually sell their gas at almost no
profit because they make the money on beer and cigs. The low gas price
is just to get you in the door. Stations that sell gas and do
mechanical work can also keep their prices lower. The ones that only

Why would any c-store add pay at the pump if they make little or no money
on the gas?

Plenty of research has shown that people often buy more than they planned
on, once they get in the store. Customers certainly won't buy anything
extra if they never even set foot in the store.

Brian Elfert