Long term vision is to purchase commercial 5+ units as we'll be able to scale more efficiently. 

Those marketing methods are not efficient, and the return on investment is about minimum wage.4.

He's still in the mindset of thinking it saves money to do the work yourself, and doesn't seem to be grasping how exponentially much more efficient it could be to hire people and just be the expert managing the job.

In the stock market, they have the efficient market hypothesis which states that any changes in the value of a stock are immediately seen in its price.

If you can afford a great onsite manager, particularly one who has experience turning parks around, they will make your life a LOT easier and will be well worth your money.As it relates to offsite management (3rd party management) we have found that this solution only works if you have a park that is already stabilized and running at or close to efficiency.

You become more efficient in sorting through leads and know a deal when you see it.

The closest the market gets to being efficient is when a property is well marketed on the MLS.

In my 95% high efficiency HVAC system the PVC pipe connected to a copper pipe in my abandoned chimney on the 2nd floor was corroded where they met which leaked outside of the chimney causing damage to my carpet in the ground unit beyond the drywall.

Not very efficient and can be costly, however, it is an option. 

Doing the rehab myself was alot of time and energy.