I have been trying to discover a meaningful method to read the areas social structure, economics, etc. 

Modular buildings are built to the same building code as any stick built product and generally built under better conditions with better quality control processes than most stick built product.

@Chris McMonagle this can vary greatly from area to area, site conditions etc.

I currently have 8 single family properties that work perfectly fine so this was my first multi-familyThe Details16 unit, 1 bed 1 bath apartment building in Oklahoma City$750k asking price got it for $650k5.35% IR, 25% down, 10 years balloon amortized 20 years. property management 7%The property was in ok conditions, fully occupied, rents were between $425 and $500, we had to evict 2 tenants who kept their units filthy and were problematic (roaches and dirty) RemodelWe're fixing up those 2 properties, replacing the floors with laminate, new granite counter tops, new split unit HVAC and new bathroom and paint.

In California, due to the rates/terms/conditions, the only reason to use CHENOA is if you're over the income limits for all other down payment assistance programs.

David Greene mentions on the podcast that these type of BRRRR rehabs are more closely associated with Private/Hard Money Investors because of the condition of the original property.

First, you should verify his income supports the rent without her assistance.Second, you should write up a simple "Remove Tenant Addendum" that removes her from the lease, gives him complete control of the lease and responsibility for the rent and condition of the property, and that notifies her she is giving up any rights to the property or the security deposit.

What are typical home equity loan interest rates and loan conditions? 

Based on the condition of the home and the ARV, I decided to wholesale it and contracted it for mortgage payoff as they wanted out and were scheduled to buyer their next home.

I buy houses in any condition or any situation using Cash.