My lot is narrow, 25 ft wide by 97 ft long.Thank you in advance for any info,Tammie

Houston is huge, so narrow your criteria.

We would have to narrow down the geography for me to give you a few suggestions.

They are likely narrowing down their choices to 2 or 3 possibles, then sending inquiries. 

Then each state has their Safe Act narrowing of the broader DF act and many states allow for zero (0) seller financings without being licesed as a bank;  Ohio, WA, OR to name a few.   

I use the foreclosure list and the only narrowing down I do is keep the price range where I like it to be.

Have you and Kimberly narrowed down any specific neighborhoods?

After you have your neighborhoods narrowed down on the crime/economical level, you need to start with the going rental rates.

At the end of the day, you'll probably need a local kickass realtor to give you the real lowdown once you've narrowed down your target cities. 

Background: 4 residential unit. closing planned pushed a month due to COVID19. currently - 3 units vacant - want to narrow the sale down to the mortgage equal to the rent paid by the one tent at.