Strip Club Extras

I'm just curious, what is the best strategy for you all have seen when looking for extras..

1. When the girl's shift starts (she hasn't made a lot of money yet)
2. The middle of the shift
3. Near the end of her shift (perhaps a little buzzed and looking to make money prior to leaving)
4. When Rent is due!
5. Day or Night Shift?

Thanks in advance for your views!
Might get a better response in strip club section or locker room.