Its not widely covered but Wright in the 2nd half of his life was completely consummed with the challenge of providing low-cost and beautifully designed homes to the countries working class.

Cash-flow is for "keeping the lights on" as in covering operational expenses to defend against any need for additional capital investment. 

Raising equity can be the most challenging aspect of closing a deal.

. #3: onshoring base-line manufacturing (a) creates more employment opportunities for both skilled and unskilled labor (b) creates more employment opportunities of jobs that elevate and train unskilled too skilled labor  (c) raises base-line wages and benefits via competition for unskilled labor (d) elevates the entire economic chain via more domestic circulation of $ and (e) less exporting of USD #4: stopping illegal immigration defends and protects legal immigration.

Challenges?

I navigate through cities and towns, identifying areas that are both friendly and challenging for STRs.

Quote from @Jeffrey Hill: There are a couple of challenges with financing the difference. 1) The current servicer has to approve it. 2) Finding a lender to do a 2nd mortgage at 100% CLTV is almost impossible.

This is probably why you want to bring equity back into your US business and any other investor might make the same choice as you.I brought up the challenges to come up with the solution, which was my last paragraph.

I applaud you for putting it out there but 1) maintenance/cap ex is far too low for a duplex 2) no PM. 3) vacancy at 1% will be challenging if achieving near market rent.

Challenges?