Before he got all the way into his new place, some issues arose and he actually contacted me and asked if he could do the owner finance option, which I agreed to, mainly to have his signature on a legal contract with some type of recourse.

Replacement cost, as Joe mentioned is a main driver and driven off of type of construction (i.e. frame, brick veneer, masonry, etc...), type of building (ranch, 2 storey, etc...), size of building, and zip code (labor and material varies depending on location) but there are other variables that are considered as well.

@Matthew Cox The main person you will need to be successful is a great cleaner.

The same day I also had someone installed a keypad lock on the main door to the apartment building.

My main question is out of those 3, what would be the best option?

I believe that is John's main issue and the source of his claims that wholesalers are scammers.

Train tenants to know when the main shutoff valve is.

Hey guys,             I wanted to start a little discussion mainly to educate myself, build some self confidence from others more experienced and hopefully continue a road map for others like myself. 

Driveway for main house accesses front door but  would be better served by adding a driveway.

The main design I'm looking at would be a two story house with a finished daylight basement, and two bedrooms on each level, for a total of 6.