I've found 2 loopholes here in Cali:
#1: Since the Landers / Big Bear earthquakes a few years ago, the state has modified the law that hourly persons working in either disaster areas or in tourist areas (!), whether working directly in recovery operations or tourist operations or not, are not required to be paid overtime until a certain number of hours per week is reached (I seem to recall 80 hrs... but probably wrong.)
#2: If you have MANAGER or ADMINISTRATOR in your title, you are not required to pay overtime.
One company I worked for required 8.5 hours of work each day (9.5 including lunch) and got away with it because everybody was either and administrator, manager, or partner. :Q