In addition if you can creatively solve some of the 3d printing short-comings (OP is creative director) you could be market leader.

While they are legal from a building department view point, if there are complaints from neighbors about you renting it long term, it could create issues with zoning.  

Does anyone have a long term relationship with them who'd care to comment?

Quote from @Kai Kopsch: It doesn't matter what Airbnb might say, as a realtor, you have to use the NAR rental contract from you're State and RE Commission or an attorney draft one.Are short-term rentals regulated by that state commission?

I mean it does really matter what you call it, but if you are assigning a contract for a fee that is the same thing as wholesaling. and I am happy to speak with you about your deal.

I don't remember the exact term, but there is a category of insurance providers...

Tell me, how many apartments would you rent out if you couldn’t go to court (government regulation) to enforce contracts?

High paying local jobs.Monthly cash flow: $306 /moIncome:  $2,250 /moExpenses:  $1,943 /moCoC ROI: 2.69%5-year annualized return 4.91%   Mortgage payment $1,394.53Rental income: $2,250/mo Expenses: $1,943Loan detailsTotal cash needed $136,739Purchase price$ 336,990Loan amount $206,990Loan term 30 yearsInterest rate 7.1%Monthly expense breakdownTotal expenses $1,943Mortgage $1,395Taxes $280Insurance $47Variable expenses  $180Fixed expenses $42Monthly Fixed expenses: $42 electricity $0gas $0water & sewer $0hoa fees $42garbage$ 0Other$ 0Monthly Variable expenses $180Vacancy $180Maintenance $0 (new construction)CapEx $0 (new construction)Management fees $0 (self manage)ReturnsNOI$ 20,412CoC ROI 2.69%Pro forma cap 6.06%Purchase cap 6.06% 

But as an agent, you are a contract employee so if you are trying to buy properties and can't show consistent income, you will only push your dreams further down the line. 

BK, foreclosure, short sale, liens?