Here is an app you can use, if you are in the US, to save money every time you gas up your car. Whether using it for trips or just daily travel the money can add up. You download the app and it it shows participating gas stations and the price. You usually save around .12 a gallon. While not a lot it does add up quickly. Once you claim the offer you have 4 hours to gas up your car. Keep your receipt and take a photo of it on your phone, then upload it to the app. You will see your money accumulate in the top right hand corner. You can cash out at anytime getting your money by PayPal, check or redeeming for one of several gift cards to places like Amazon, Bed Bath and Beyond, Dunkin Donuts and more. The App is Get Up Side
and if you use the referral code SA5J2
you will get an additional 15 cents a gallon discount on your first use. Right now most of the gas stations are Shell but they are adding more and will also be adding food and retail stores later.