What can you get in NYC for two bucks?!!?? Not many things on that list, are there.

Let see, how much did you tip the coat check girl last time? The car valet?

I think its a good idea, but its weakness is that the cycle commuters would have to be concentrated within a short distance of the storage area. You would have to scout out an area that had hundreds of bikes in a few square blocks in order to get enough of them to use your service.