[blizzardND]

I once worked for a company that used shipping containers for storage, it was a real pain to cut doors into the sides of them and usually weakened them to the point were we had to empty them to move them.

Here is an idea for you that would be way easier and probably save allot of time too. Buy a used 5th wheel flatbed trailer, then build 2x2 walls that you can insulate, and sheet it with .050 steel for your "bulletproof construction" Just remember to locate the door openings 4-6" off the deck of the trailer so you can lay down 4-5" of Styrofoam board insulation. then run your wiring and plumbing in that space too. I once built a race car trailer with steel sheeting, it gets heavy, but it takes a beating.

Done up right no-one will even know your "man of steel" secret. whereby a shipping container might get you nixed from some campgrounds.

Have you looked at the absolute bargains on racing junk for enclosed car trailers? Your 10 grand might get you one with a generator and possibly a small living qtrs.
-blizz