If you're moving into the property that has health and safety issues a regular Conventional or FHA (203b) would not be an option. 

But all mold does need to be removed for health reasons.

The operating agreement needs language to give allocations substantial economic effect and all partners must agree to the terms (the good, the bad, and the ugly).

You might consider running this model as a flip to see if it makes sense economically. 

I've never seen a group of "investors" with a more myopic view macro economics and the basic principles of investing?

You have other demographics flocking to hubs with greater economic expansion.You might even find that some areas have recently experienced a fallout or are still on the comeback trail from the last major recession. 

Additionally, you are obviously shrinking the diversified nature of your revenue from 8 streams to four in this case.on the other hand, if your demographic is such that larger units well see lower vacancy and economic loss, then this may make sense.

However, oversupply, economic shifts, or unknown factors could drag that timeline to reach your appreciation expectations out way further than imagined. 

however the cirrus on basically the same GPH will do 150 knots true the archer 110  LOL I like speed.. my 22 was 170 knots true LOP  very economical for aviation standards.. as with anything aviation stay up to date.. train often .. we live in the best country in the world to be a private pilot.. its an awesome thing  it really is.. and huge time machine.you must become an expert at weather though.. and always remember you don't really need to be there.. when in doubt hang out . 

Even then the project can stall if an economic downturn happens for many years or even a decade.