Your best and most efficient option would be a DSCR cashout refinance, more than likely.

Start by networking through local meetups, REIA groups, and online communities like BiggerPockets to connect with experienced investors.

You can PM me if you like and i include my telephone below.  

Really appreciate you sharing your experience, sounds like a solid deal with a great profit margin, especially considering you did 90% of the work yourself.

There are best practices on certain items that provides a guidelines.Commissions are always negotiable like any other services, you can shop around for the best value for money.All depends on the risks that you are willing to take.

Verifying last 2 years of rental history and income extremely important to find the “best of the worst”.Make sure you understand the Class of properties you are looking at and the corresponding results to expect.The City of Detroit has 183 Neighborhoods we’ve analyzed.DM us if you’d like to discuss this logical approach in greater detail!

I’m just concerned of legality of basement unit and like you mentioned permitted status.

I hope you don't like this family member.

Just an FYI to everyone like @Tom Dieringer said, this is a base contract for anyone who wants somewhere to start.

The cleanout is about 10-15 feet from the curb, but they had to snake 70 feet, suggesting a potential city sewer issue.The plumber mentioned that if I report this to the city, they will likely request a secondary cleanout closer to the curb, which I would have to install at my expense (a costly job).