However, for the most part, there are three players to this, namely you, the property owner, and the bank.The main thing is each one of the parties has to trust the other and perform their part of the deal.

Do they increase or decrease due to supply or what?

Don't expect the land to be cheap.The main thing that drives the price of residential properties (including multi-unit dwellings) is the location.Location, location, location!

Is there a thermostat that could have a main hub, but then a secondary sensor/control that is perhaps wireless and could be put in the second unit?

Hey Ron I'm an investor in Nashville, and with the market booming the way it is with the population increasing one thing a lot of investors say is the demand is high and the supply is low making this a sellers market.

Leverage is the main reason real estate works!

Personally option 1 feels more like a year round business if that is your main focus to generate income.

The Baltimore Reia is really good they have a main event meeting in Towson the third Thursday of every month might be worth a trip out there to check it out.

Given it were a family member or friend loaning the money, as I have a list of them to reach out too, would the bank see any issue with refinancing this loan- or does the main problem with an occupied project fall with the private lender in most cases?

The LLC that I have established will be purchasing the property, which is one of the main reasons (among some others) on why I'm using a hard money lender to get the deal done.