Why would running in a street put you down by $100? In fact, if anything, local council authorities should be paying YOU, for even thinking about running around a street filled with 100 ton anvils, and now I've come to think about it, incredibly dangerous birds, capable of actually lifting 100 tonnes. IT'S A CONSPIRACY I TELL YOU!!
Don't mean to be a spoil sport, but found a way of 'cheating'. Say you have $200; spend them on training, then go to the menu and go back to your game, and you'll have those extra stats, but you'll also have $200 again.
@DarthSteven Just a small thing, but gemmers would be able to get hundreds of energy, to the point where it becomes almost meaningless and they can play for hours on end. Apart from that, I think it's a very good and potentially effective idea though.