This is how I have been running my life for the last 20+ years. I work two 12 hour shifts per week and make myself available for IHR( in house registry, which is time and a half). I usually pick up one IHR shift per pay period and I could always pick up more if I wanted to. Some weeks I have picked up one or two extra shifts. That is my gravy money. Why am I able to do this? Well it seems they cant figure out how to staff correctly. Or there is always someone calling in sick or something. And I made myself more valuable, by doing things others wont do, such as being in charge, etc. So I get the overtime pay and the charge pay. If you want to get overtime, make yourself more valuable to the unit by learning to do things that others dont want to do, like ACLS. Or taking charge, etc. I have a co-worker that works fulltime and does at least 1-2 extra shifts per week at OT. Thats because she makes herself available. There are some people that wont work any extra shifts, but when they know you like the OT money, they call you first because they know you will show up and be happy to do it. And I have fulltime benefits also. And when I work the OT I accumulate the extra PTO(vacation time). Now the good thing for me about working parttime is I get to be off more days when I WANT to be off. I can take almost 2 weeks off without hardly using any of my PTO. If it's slow, well then I don't get the OT, but usually I manage to pull a day extra if I want to. I just study the schedule and when I see it looks light, I make myself available. So that's the trick, be good at what you do, do things others wont do, and make yourself available. And believe me, I have very decent paychecks.