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Gas Rewards & Credit Cards

Fuel rewards are the rare saving that requires no change in behaviour — you were buying the gas anyway. That makes them worth setting up properly once, and then not thinking about again.

It also makes them easy to oversell. A card advertising a headline rate on fuel is usually worth somewhere in the range of a few dozen to a couple of hundred dollars a year for a typical household, depending on mileage and how the category is defined. That's real, but it isn't life-changing, and it's worth knowing the order of magnitude before you open accounts chasing it. Stacking is where the interesting money is: a grocery fuel-points program combined with the right card at the right station can beat any single method on its own.

One warning runs through every guide in this category, and it isn't a technicality. Rewards are a percentage; credit card interest is a much larger percentage. Carrying a balance to earn fuel cash back is a guaranteed net loss, usually by a wide margin. If a card is going to encourage a balance, the debit-and-loyalty route saves more, and there's a guide below on exactly that.

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