You are entering into a consumer agreement which follows the laws of consumer protection.

Despite holding a W-2 job and taking on a side gig, I still have $80,000 in consumer debt and a $130,000 HELOC.

Client acquisition is time consuming, competitive, and can be expensive if you don't do it right.

You want the big house and the car even while carrying large amounts of consumer debt.

And if you are looking into this just for the sake of saving the planet, 1. remember the solar industry is heavily subsidized, creating distortions in other areas, and 2. most of the solar brands manufacturing are not green at all, leaving behind a bunch of toxic byproducts + if you factor in the materials and energy consumed in the production of panels, they will never recover that during their useful lifetime. 

Because reality is most consumers in the TK space come with an assumption that one presenting as a TK company is the one who own's the property, did the reno, did/does all the things, internally, no affiliation etc etc.

Millions upon millions of jobs lost "forever" ("exported" to the "third world"), more millions lost half or more of their retirement accounts, creditors slashed and burned consumer credit to the point where, by the banksters' own numbers, some 74% of Americans wound up with "bad" credit (it was only 47% before they did that), ...Now, add in the knee-jerk responses in the lending industry and you've got a situation where only the elite of formerly middle-class wage earners can even hope to qualify for new home loans.In fact, the given the current housing shortage (yet more fallout from the crash), it is ONLY the dearth of lending which is keeping home prices from launching into interstellar space by suppressing demand.

Because adding in a modest 5% buffer for vacancy, the 10% for your property management, and maybe only 8% for maintenance.5% Vacancy: $1800 annually    /   -$150 monthly       10%  PM: $3600 annually         /   -$300 monthly8% Maint.: $2880 annually        /  -$240 monthlyMortgage, taxes, and ins

Your vacancy expense could be quite significant and consume all of your profit and even get into your principal.

And it seems baffling there are no construction or architecture firms dedicated to the concept.There is no convention in shipping container construction, therefore every step of the process is clunky, i.e. time-consuming, i.e. expensive.This is why, I believe, it hasn't (really) worked, which is definitely not to say that it won't work.