I found a place here that sells the blue plastic barrels for $11 each. I posted at work that I needed deep cycle batteries and got 2 for $40. I'm going to build my own solar panel to keep the battery charged. I will use a bilge pump in the barrel because I am going to bury it. my sump pump runs about every 3 minutes and that will be my water source. I'm going to set up a water protected switch since this will only run when I am there to watch it. the pump is $19 which fits in my budget but it pumps500 gal an hour so it will probably empty pretty fast.
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