This is not a big thing until the power goes out. I keep a couple hundred put away in small bills, $50.00 in $5.00s and $150.00 in $10.00s. This could be used at these little mom and pops stores (I say that cause near me the old couple live upstairs) you would offer $5.00 for a gallon of milk if your family needed it. Of course like me, most of us here should have powdered milk on hand, the milk is just a quick example.