A man robbed a cash advance store in midtown Tulsa this morning, escaping with $318 in cash. At least two employees were inside the Advance America store, 3107 S. Harvard Ave., when the robbery occurred at about 11:30 a.m. No injuries were reported. The robber, wearing pantyhose over his head, showed a black semi-automatic handgun, but did not point it at the employees, said Cpl.