We just keep digging ourselves in a whole.well you pay per day and they have a 2 day minimum .. most of the cars start at $30 a day+ (I paid $40 a day for a POS Honda Fit that had 5% oil left when I returned it) and you have to pay the amount up front for the amount of days you reserve the car. they also hold a $200 security deposit that is released after you return the car in the event you damage the car.
You pay all that and then you get to keep a fraction. The take home gets smaller and smaller.