I think the big thing is as far as payroll sees you worked 20 days in the month. I guess you could do 40 if you wanted.
Depends on why base you're in. MIA SAT and IWA are mostly day trips so chances of being back in base every night are high there.
Doing VIP it can vary but usually you might end up doing more than one team at a time during your rotation. It's a very changing schedule, if a plane breaks you might be called to rescue another flight. Or we also go do pop up charters like when eastern breaks down.