Has anyone ever heard of such a thing where in order to replace an existing boiler with one of the exact same model you have to pay an engineer $1,500 for no reason?

Trying to build a business model out of it is more likely to be a waste of time and resources.

Will not be dating super models at that level but not much of a hassle either. 

follow this model and in 10 years from now you can realistically own 20 units, cash flowing a total of $5,000 per month.

FHA is such a nice option for first-timers that many think it's a first time homebuyer program (it's not), but once you start getting into multiple rentals and this "nomad" strategy, FHA is rarely the model match.

This business model allows Alex to capitalize on people who are not ready to buy yet.

Then build and understand the financial model around that, that will automatically define the neighborhood and the building type for you. 

My point @Dan Handford was the atlist have few potential investors lined up.It depends on your business model, often with a found that works with close group of investors/ friends/ family there is some sort of commitment upfront. 

This model is scaleable and can help increase net worth fairly quickly.

Had a tenant with their own RV skip town.  Who has had success renting these (to own) or other owner financing?  What are some key issues to consider?I have been in mobile homes for "a little while" and have plenty of...