They seem to be able to make their desired profit.They are wagering on market/rent appreciation.They see a hard to identify value add. 

@Harry Walker I'm just curious when you say it is legal to market your contract (for me I think options contract on a stock as a similar example) versus the actual property.

The installation of the boxes will run around $30 a door versus around $500 a door to run the vent outside.  

This would prevent me from dealing with paying any closing costs versus paying two sets of closing cost for a simultaneous (double) closing.

You’ll be paying close to retail prices for something that’s rent ready (versus a property that needs work, but that you’ll get a big discount on),  but less risk that way.Yield will generally diminish the higher price point you’re at.Take your time and do your homework!

However, I'm currently in a back-and-forth escalating disagreement with my bank that claims I need to reach an LTV of 65% to remove MI versus what I believe the home possible guidelines show on their website, which is 80% for 1-4 unit properties.As you further dive into this process please make sure to have your bank document the conditions for cancelling MI.

I think those closing costs--at least in a situation like this--is a fool's wager. 

I'm just wondering if there are other considerations that should be factored in, such as incorporating the depreciable asset of the apartment structure in MFH versus mobile home parks being primarily land, etc.

., military base)e) is there a major airport in the areaf) how do people commute to jobs  - highways (is there access nearby) or public transportation (is there access in a walking distance)g) school ratingsh) crime reportsi) is there a supply versus demand for the type of rental housing I'm looking to buyAnd then you put it all together to see where you fit overall.

The biggest difference is the mentality of real estate investors versus banks.