Erin and Jon Carpenter bought a run-down laundromat in Charleston, South Carolina. It doesn't bring in a lot of money but the ...

A drive-through laundromat is not a new business concept; however, recently they've become more popular and a few companies have even begun to franchise their drive-through laundromat businesses.

Opening a laundromat may not be the first business venture someone chooses. But it was for Johnson, who also works as an energy adviser and has a degree in natural resources and environmental studies.