For drivers, the frustration is increasing with gas prices.
Around Charlotte on Thursday, Eyewitness News saw prices had jumped 10 cents in some places since Monday.
Some were sitting right under $4. Eyewitness News stopped by the Marathon gas station at the intersection of Fairview and Woodlawn roads in south Charlotte twice this week. On Monday, gas was $3.93. Thursday, it was $3.97.
"Every time I hear the gas prices are going up and so before they go up again, I like to make sure I have my gas while I catch it at a good rate,” driver Dewayne Schenck said.
Channel 9 spoke with Schenck at an east Charlotte station and found he was filling up extra gas cans.
That station posted regular for $3.87.
The prices may vary, but AAA said one thing is certain.
"We're going to see them continue to rise over the Labor Day holiday," said Tom Crosby, a spokesman for AAA.
Crosby, who said on Monday that prices would increase because of Tropical Storm Isaac, said Thursday they will continue to go up at least through mid-September.
But he said the good news is Isaac will just be a temporary setback for rigs and refineries along the Gulf.
"Some of the refineries just cut back production, and they're going to be able to ramp back up rather quickly. They'll be sending crews back out to the oil rigs in the next day or so," Crosby said.
He said prices are roughly 25 cents higher than they were this time last year, and that will impact travel over the Labor Day weekend.
AAA projected travel would increase this year, but because of factors like Isaac, they expect a little less than 800,000 people in North Carolina to hit the road -- a figure right on target with last season.