Repurpose an old refrigerator into an ice chest. Great idea - I am thinking for us it would make more sense to repurpose a mini-fridge so we wouldn't need to use as much ice. Don't forget to drill a hole for water removal!
you take a bucket, a section of pool noodle, a trash bag DIY Homemade Porta Potty. make your own potty bucket liner with trashbag, slip the slit pool noodle over the edge for a toilet seat and attach a roll of TP to the metal handle.