It's not that cheap, but you can get a Sawzall with a 9" metal cutting blade and it will go right through those like nothing.

I like precious metals, not hoarding, but just some exposure is nice.

The buildings are solid metal construction with minimal differed maintenance to correct.

But it does say metal, which can be as hard.

If you like taking a gun, you know those awesome metal big-butt pistols with those rolling compartments with these wicked bullets in where when you turn them you hear tktktktktktktktktktktktktktkt... put 5 bullets in and leave 1 compartment open and play Russian roulette.

The drainage pipe goes through the bulk head (concrete encased staircase with 2 metal doors to the outside).

Remove the tape while the last coat is still kind of wet - not 5 or 10 minutes after you paint it, but maybe 60 minutes after you paint it.The only version of Option 3 I have used is the metal straightedge. 

Climate controlled storage - though the metal to construct the individual units is pricey, thought about starting there and then constructing outdoor units once it was bringing in money. 2.

Floors, metal and door hinges are fine. 

I bought one & had to put metal bars on windows & doors for extra security & pay several ppl to remove trash that was illegally dumped in back.