You also have an insurance policy and builder warranty that protects you once the home is built.

Further, you’ve never even mentioned using third party foreign asset protection trusts domiciled in Nevis in your post which shows you’re withholding information vital to success in the note business.  

They will verify the numbers using the steps that they have in place to protect both you and them from a loss.

@John BertolonYou are in the customer service business.

Purchase price: $1,150,000 Cash invested: $300,000 Sale price: $1,628,000 Built in 1890, this Old Victorian was converted into a duplex in the 70's by a talented architect who made some unique and extraordinary custom design choices (read vaulted skylights) that made this property truly one of a kind.

If you are in a neighborhood with a higher crime rate (C neighborhood), make sure to protect the AC units by putting a cage over them to prevent theft.

The goal was disguised as helping protect "the little guy" but it was really to keep FHA buyers out of higher cost desirable 3-4 unit properties in high-cost areas. 

I think you covered a lot of things already I was going to say, especially amenities and customer avatar.

Forming an LLC can be a great way to explore this and provide protection for your other assets.

Spent a lot of money on a useless custom floorplan and various surveying costs.