It's all in how conservative you are in your approach to underwriting your deals.Even when a Seller says they've improved the property, the tenants are still tenants and do damage to brand new improved units. 

@Drew Sygit Very true, Detroit is definitely block by block market.

Your new ARV(after repair value) should be supported by an adequate amount of comparable sales in the area(duplex's).

I knew it was time to dive into my next property.

Update to my previous post (the update button didn't seem to do anything for me).Their customer support team was able to help me get my account back, even though the email made it seem otherwise.

Plus what’s the upside to not changing it Day 1?

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

When we got engaged, my wife didn't want roommates but was willing to do a two unit situation.2.

Data point: we have a long-term rental in a popular STR neighborhood listed through Zillow right now.Every person who writes asking to do some sort of arbitrage is blocked by the Zillow platform.I don't even have to say "no thank you anymore."  

Sorry, not sure what you mean by pay for her home for 10-20 years?