I recommend reverse engineering the entire system of lead generation from list selection, prospect qualifying criteria and conversion.While mail is expensive, yes, it's an alternative to door knocking that maximizes use iof your time by cloning yourself. 

I mean tenants involved in severe domestic violence resulting in hospitalizations and tenants who enjoyed such pursuits as disassembling motorcycles and gasoline engines in their family room, in addition to being chronic deadbeats.In the process of taking the bull by the horns and evicting these tenants, I learned (in an extremely painful and costly way) more than I ever wanted to know about Massachusetts landlord-tenant law.

yeah will do for sure Brandon.I'm closing on another larger property in Germantown on Monday, and having an engineer overlook another one on Saturday.  

I have found online forums for engineers, auto mechanics, etc., full of people willing to help others out with their questions. 

I would suspect you will have more costs in the following areas:1) Engineering design2) Possible foundation 3) Framing4) At least a 2 zone HVAC systemThat being said, we've never done a full on 3rd floor, only attic exemptions which jsut finish out the attic as a 3rd floor.

Funny timing too--my wife had one of the morning news shows on today as we were getting the kids ready and they played a clip of cell phone video of Grant Cardone talking about his experience being on a plane that had an engine go out due to a bird strike.  

I use my webpages to collect organic leads or PPC leads from Google or other big search engines but like I said direct-mail is an absolute success maker for me....some other investors might like these other forms of marketing I choose direct mail at my top source for deals, but I do use all of the forms of marketing

A fellow engineer, I assume?

That borrower submits a loan application and we review and underwrite the loan using our loan grading engine.

I don't think this is an example of american ingenuity as we did not "invent" tiny houses, although we will clam to have 50 years from now like the steam engine and light bulb.