Yeah. About that. Generally, crime pays less than minimum wage, and criminals are people who can't bring themselves to punch a clock. It's hunter/gatherer all over again. Wake up when you're sober, steal what you can, sell what you've got, buy and get over.
Except for the part where someone actually finds an alternative purpose for the estimated 18+ million shipping containers in use. If I'm buying PCs from China I probably don't need a 40' steel box, let alone a shitload of 40' steel boxes. You're leaving out the hard part.
...and in the world of firearms, imperial measurements are standard. Caliber implies fractions of an inch. There's no "9mm caliber." There's 9mm, which is.357 caliber. Which, irritating as it may be, is the same as.38 caliber. Case diameter, bullet diameter, marketing diameter all influence the designation.