All We Get Is 75 Cents?!

Despite all the recycling Lisa's club did, thanks to being ripped off by the recycling center, they were forced to cancel their trip to Albany. What's more, when Lisa tries to look on the bright side that at least their efforts saved an entire tree, a tree gets knocked down as Skinner is leaving the recycling center, which may not have been an accident.

Example of:
All for Nothing