Hi Ingrid
As far as toiletries go, get a copy of brigade quartermaster, or check them out on line. They cover the subject pretty well (porta-potties ranging from 10 or 12$ up to about 100$ depending on how much convenience of use you want and deodorant alternatives you'll have to see to believe "The deodorant Stone" ). As far as electrical power goes, if you can't use a generator, you're probably out of luck. If you can use a generator, the sky's the limit. Last Christmas, My wife got me a Coleman 1500 watt generator that I didn't have a chance to try out untill this spring (weighs about 60 lbs, not too big to carry). When tornados hit Utica, my parents lost power, and I took it out to their place so they could keep their fridge/freezer/sump pump running. I was very pleasantly surprised at it's performance. It has a cam-action built into the pull-start so a six-year-old could start it, it ran continuously except for shut-downs to refuel it, and it put out enough juice to keep the bare neccessities running the entire time they were without power. For those with bigger budgets there are systems that can power up an entire household. Hope this helps, if you've got questions on any other areas, I'm sure someone here can point you in the right direction.
Troy