Ok, I'll go ahead and share one...
When the collection tray comes around at church, I quietly collect cash from the plates at the back so that I can buy ReloadIts for when the managers say they are Cash Only. I then bill pay them back to the church (minus the $3.95 fee of course!). This is pretty much a perpetual machine of ReloadIts since everyone keeps giving more and more at church. What's also great is you get to write off all the donations on your taxes this way too! I haven't paid income tax in years!!
Please don't spread this though, I need as much cash out of the collection tray as I can get to keep this up.