If you want to pull your own permits, contact your local building department once your GC tell you what permits you'll need and they will tell you how to apply for them.Architects are useful if you are doing a full gut rehab or building custom homes.

I ask because applying what I pay now to my local management company that would be somewhat of a small net amount.

Generally, the County has a commission that put together a few data to find the assessed value of all properties and, upon that value, applies a mileage rate (a percentage).

I am going to try to apply the formula you mentioned to my future goal and try to figure out how it backs into the present. 

In our area we use natural gas, propane, wood, or pellet stoves and they are all cheaper than electricity.I would figure out what you pay per year to heat with oil then compare that to what it would be with electricity.

Here is what I have seen:  Taxes not paid for 5 years and owner applies to buy them. 

Single family investing is just far more common, and most people are naturally familiar with it.

Totally Off grid with micro hydro,48v dc to Pure sine wave inverter(5500 watts) New Trojan Batteries (Renewable energy) Have two springs one is for drinking water and other is for water turbine.(90 gallons per minute and 175 foot of head/drop in elevation) still a project in progress as we have plans to convert into a functional micro farm with greenhouses etc producing all natural Non GMO vegetables that are ORGANIC.

Totally Off grid with micro hydro,48v dc to Pure sine wave inverter(5500 watts) New Trojan Batteries (Renewable energy) Have two springs one for drinking water and other is for water turbine.(90 gallons per minute and 175 foot of head/drop in elevation) still in progress as we have plans to convert into a functional micro farm with greenhouses all natural Non GMO vegetables that are ORGANIC.Breaking ground on year round heated greenhouse this summer.2019 What made you interested in investing in this type of deal?

Paying $1500 a year for the education you receive as a Realtor and how it applies to investing, is much less than any seminar or coach.Anyway, that's just my opinion but I hope it helps!