During my newhire year a buddy from class would routinely bid reserve (we could hold blanks by then). He would routinely credit 180+ per month. He would take advantage of an unused reserve block by picking up on days off, even out of base (ie based in PHX picking up in LAS).

He would look specifically for low block trips or trips starting with a deadhead and took advantage of bidding straight on premium (paid second year rates anyway) or TTGA.

Some of our players are really really skilled (but he also lived close to the field).