We have a mixed use apartment/commercial property for sale where the owner would entertain seller financing.

I am an experienced investor and unexpectely find myself managing a duplex myself and wondering if there is a small landlord (aka inexpensive) simple solution for marketing, background checks and lease creation that markets on zillow? 

Purchase price: $850,000 Cash invested: $500,000 Sale price: $2,250,000 Purchased , knocked down, built new from ground up What made you interested in investing in this type of deal?

As @Dan H. has stated building and ADU can take a while to pay off and could affect the appreciation on the exit sale without a garage which could limit your sales to another investor. 

You can't actually pay it off directly because they've been securitized, and the people who invested in those securities did so because of the specific certainty of the payment schedule.What you do in a defeasance is use the proceeds of the sale or the funds from your new lender to purchase treasury bonds that are packaged to make the exact payment amounts and timings on the remaining term of the loan, and then assign those bonds to your old lender.

I wonder if your local MLS provider has a list of MLS_only brokers in their system?

In theory it would be wonderful to get mortgages at 3.5% down and search for value-add deals to near break even on cashflow after year 1-2, banking on appreciation from a highly-leveraged investment in a growing economy.

The average sales price in Cleveland Heights for MF in the last 6 months is $337k. 

Was paid sales commission to sell it to myself.

Here are some key strategies to consider:*Invest in Distressed Properties – The best deals for investors often come in foreclosures, short sales, and older homes in need of renovation.