But most fourplexes around me are boring simple two story boxes that don't have any character and no outside amenities (something I would NOT replicate).I am a long term build and hold investor, but being able to minimize my invested capital in the project is important to me.  

Sessions is not something you should expect to be able to replicate.  

.), as it has great best practices that you can replicate as a system across all your units.Finally, I'd reiterate what @Penny Clark mentions above - have a list of criteria in writing.

Collect a couple SFRs and replicate the transition :)

I discussed this with my CPA this afternoon (after posting) and the short version is that there are several methods to deduct the interest payments (or put them against gains), they  just wouldn't show in a 1098 like a conventional mortgage....and a whole bunch of explanations of code that I couldn't begin to replicate here lol..basically, if i only use the LOC for real estate investing, it can be deducted. however, if i use the LOC for anything else, it would have to be leveraged against other gains.Thanks for all the input.

@Michael Lenahan in your area there are many historic properties with finishings that would be expensive to replicate.

Fast forward 10 years and we have (intentionally) replicated that process and now have 4 properties and would to expand our investments further. 

@Shahar HaionCan't wait until you refi and pull out money so you can replicate your successcongratsGino

Their business model is amazingly successful and pretty easy to replicate.

The production efficiency is much greater than traditional home building due to the ability to manufacture rooms/homes indoor, mass replication of standard designs, high durability of materials (so I’ve heard), and the ability to drop it on a slab without the need to dig out a foundation.