I bought a "luggable loo" and put it on a 5 gal. bucket. In the bucket I put a couple of boxes of 30 gal "kitchen" trash bags and about 6 "big rolls" (from walgreeens, single ply but long) of TP. I figure it'll last awhile if I need it. If it gets that bad, I'll dig a latrine in the yard. lol