Of course, a bad real estate market is a bad real estate market, even for a restaurant so popular that people will wait outside for hours to snag one of the eight stools. Now, she will let the shop go for $450,000.

The cheeseburger that put her on the map is constructed from two big patties of generic ground beef, fried with big pieces of onion and seasoned with something she won’t tell you about unless you buy the place. She lightens it up with bacon, a little chili sauce and lettuce and tomato. It costs $9.50 with fries, and she has lawyers working on trademarking the name.

Although one might argue that many of the hundreds of hamburgers made by chefs in this burger-crazy nation are better, it is hard to argue that hers has less cachet.

Anna Monzon, 30, an Atlanta resident who works for a West Coast skateboard company, was the first in the door one recent day. She ordered five to take with her to Los Angeles. Her brother, such a food fanatic that he follows 20 food carts on Twitter, told her not to board the plane without them.

“I’m not a big burger person,” Ms. Monzon said, “but this is the one burger I’d wait a couple hours in line for.”