I highly recommend that any investor in Canada  find a similar database as well. 

You therefore have to research well on the market before you consider this kind of investment that requires town location without too high prices but attractive earnings at any given time.Cities such as Dallas-Forth Worth, Charlotte, Indianapolis, and Atlanta have varied job prospects and available affordable multifamily properties.

Properties located in areas with high crime rates may be less attractive to potential renters or buyers, which can lead to lower property values and rental income.Neighborhood DemographicsThe demographics of a particular neighborhood can impact the demand for housing and rental properties.

High energy in your post, but tread carefully.

At a very high level a property has a “tax basis”, once you exceed that basis you are subject to taxes, whether that happens when sold and paid in full or paid over timeThe loan provided by seller financing is like any type of loan where the interest is taxed at ordinary income rates.

Considering the high interest rate, the projects and COC return seems too good to be true.

Basically, I am looking for a good lender where we might secure a conventional loan with a more conservative PMI that wouldn't blow our budget out of the water.

Consulting a real estate attorney is highly recommended, especially for complex transactions or if the standard forms need modifications.

Not to mention the paperwork pain involved with each claim Any thoughts on just not having any insurance at all, or just some sort of liability and really high deductible ?

I highly doubt he is building homes in Texas from his self imposed exile to Portugal to excape massive litigation that was/is coming his way.He is a marketing guy and receives a commission for referring you to the builder developer who actually owns the properties.. at least that was his SOP in the past.