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Photo: Alexandru Nika (Shutterstock) It’s March 14, and the average cost for a gallon of gas in the U.S. is $4.325, up from $3.488 one month ago, and slightly down from the record-setting $4.331 last week. The good news: According to the latest report from AAA Gas Prices , this trend “may remove some of the extreme upward price pressure consumers have found at the pump.” The bad: That same report says the market remains volatile, and prices could surge yet again. We all want to know how to get the most out of every drop of gas right now . Common consensus dictates that gas is always cheaper at warehouse clubs like Costco or Sam’s Clubs. An annual Costco membership is $60 for their Gold plan and $120 for an Executive membership. But if you’re not already part of the club, is it worth purchasing a Costco membership exclusively for the potential gas savings? We did the math to see how much money you’d save if you bought a Costco membership now solely to take advantage of their gas prices for the rest of the year. Is it worth it to get a Costco membership just for the gas? Gas prices at outlets like Costco and Sam’s Club have, in the past, been reported to be as much as 30 cents less per gallon than regular gas stations. Our goal here is to see if signing up for the most affordable Costco membership just to buy gas will […]