You make 600 a day! In act 1 I've been making maybe 350 a day but I just don't have 2 full teams yet. So far, I've upgraded 10 times (nothing above 2 1/2 stars), Purchased the 1 required ball, Bought the required 4 pack to recharge players, and crafted to permanent items yet. Right now, I only have about 1,700 AB.
I'm waiting to see how acts 2 and 3 progress before spending my ABs. There's not much I want to craft, Maybe a couple pair of Football uprights and a second soccer goal. So, some time in the future I can make a Soccer Field and a Football field in town.