The Road Trip Hack Costco Members Have Been Keeping to Themselves

With gas blowing past $4 a gallon and spring break road trips in full swing, a Reddit thread that's been quietly circulating in the r/Costco community is starting to look less like a quirky hobby and more like genuinely smart trip planning.

The original post came from a small business owner who drives a transit van from Apex, North Carolina to Atlanta, Georgia for work. His routine: fuel up at the Costco in Apex before leaving, make the six-hour drive, and fuel up again in Atlanta on the other end. Gas, a clean bathroom, and a hot dog combo. No other stops needed.

He's Not the Only Costco Member Reshaping Road Trips

As it turns out, there's actually an entire subculture of Redditors roadtripping with Costco as their compass. One commenter claimed 34 Costco stops across the Southeast. Another said they were approaching 100 locations visited across 18 to 20 states and three countries. Someone else chimed in that they drove from Albany, New York to Seattle in 2016 routing the entire trip around Costco gas stations.

"We love Costco for road trips and always check to see if there are Costcos along the route," one commenter wrote. "Good for gas, food, and clean bathrooms."

That three-part value proposition — gas, food, bathrooms — turns out to be exactly why this strategy works so well in practice, especially right now.

The Current State of Gas Prices

The national average for a gallon of regular gasoline has risen steeply, climbing from $3.10 a month ago to around $4.09 today, a jump of $1 in roughly a month driven by the conflict in Iran and rising seasonal demand.

Costco offers savings of up to 30 cents per gallon compared to other gas stations, according to budgeting expert Andrea Woroch. A member who saves $0.30 per gallon and buys at least 300 gallons of gas over the year more than covers the $65 annual membership fee entirely, just through the pump. On a road trip covering several hundred miles, the savings on a single tank can be meaningful — and across a multi-day trip, they add up fast.

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Costco's $1.50 Hot Dogs Are a Gamechanger

The gas savings are the headline, but the food court is the secret weapon. The Costco hot dog and soda combo has been priced at $1.50 since its introduction in 1984 and has never changed. Had the combo kept pace with inflation, that $1.50 deal would cost more than $4.50 today.

Costco's own CEO has made the commitment explicit: "The hot dog price will not change as long as I'm around," Ron Vachris said recently.

For road trippers stopping to fuel up anyway, a $1.50 lunch that comes with a soda is a hard deal to beat, especially when fast food stops on the highway routinely run more than $10 per mouth to feed.

How to Use This Strategy Yourself

The mechanics are simple. Before your trip, map your route and identify Costco locations along the way using the Costco warehouse locator. Most major interstates and highway corridors have at least one within reasonable distance, and the r/Costco community has essentially proven that you can string together a coast-to-coast trip hitting only Costco stops if you plan it right.

Pull in, fill the tank, grab a hot dog, use a clean bathroom, and get back on the road. The whole stop takes maybe 30 minutes and costs you a fraction of what a traditional highway pit stop runs.

With gas where it is right now, that Costco membership is doing a lot more than just getting you into the warehouse to stock up on toilet paper and bottled water.