Doing everything for little 2-6 unit townhouses all the way to 300+ unit apartment complexes and 5-over-1 mixed used buildings with 200 units over 20k sf of commercial and structured parking.

Mixed results.

I’d argue that a mix of custom and arcane, broker-serving laws sustains current practice, not market demand like for Delta tickets or Colgate toothpaste.

An example of this would be mixing your personal money and LLC money in the same bank account.3.

I used to live in the Indy area so I didn't pick a random far away market and I have had mixed results in Indiana.

This means, effectively that there is no 'fair' way to split up the cost of the energy delivered for the locomotive method of 'moving' that air or water/glycol mix.The other main hurdle here is that heat losses as the air or water/glycol etc mix is traveling are significant. 

I would recommend a mix of both that aligns with your plan, the money you are giving up earlier could be a tool or vice versa. 

I have read mixed reviews on investing in this market due to pro tenant system, high vacancy and very slow price appreciation.

Consider liquidity needs, inflation, and your risk tolerance in deciding the mix.

Are you looking for cash flow right away, appreciation over time, or a mix?