My neighbor did this during one those programs (had a 2 family, made into a legal 3 family by converting the basement) but, among other things, he had to install a fire suppression system in the basement, expand windows for egress/ingress purposes, and do a whole bunch of other things.

That's good, at least you understand the system.

It includes high-efficiency HVAC systems, contemporary LED light fixtures and multiple tankless water heaters.

I have been told that systems for blanket loans only allow up to 4 units.

With most hard money lenders - you will need funds to start the renovations - since they work on a draw system.

Quote from @Laura Stayton: Quote from @Karl Kauper: For a 3-bed, 2-bath house in Sutton, MA (good school system), if I screen very carefully (high credit score, work history, no evictions, etc.), please describe for me the worst-case scenario for an eviction process if the tenant refuses to leave at the end of a lease term (assuming I do everything properly according to MA laws)?

Remember, no system is perfect, so avoid the temptation of constantly chasing after the next shiny object.

One time (the $100k) time, we found that the sewer line from a 32 unit apartment building actually just dumped into the creek and was never hooked up to the city sewer system which ended a few blocks away.  

- How can I estimate expenses for installing utilities and creating roads, sidewalks, and drainage systems?

For individual properties, we've recently started using a QR code system for wi-fi and email capture to save on costs.