>they haven't even read the guideShallowly build on a hill is the right idea. Consider reinforcing with shotcrete sprayed along the sides--as long as you've excavated in the shape of a catenary arch, it will be extremely strong, though of course I still recommend steel netting reinforcement.
If you have a stove in there, make sure that the stove is as airtight as you can get it--would be pretty embarrassing to wake up dead of CO poisoning.
>>1953310newfag, shipping container b8 is old as time.