With insurance costs going up, construction, etc., 5% might actually be high in your estimation. 

DSCR is the best bet to get something like this done.There are products with no seasoning requirements and products with 6 months seasoning.

With your resources, once you find the right property, you’ll be in a strong position to flip and build capital for future investments.When you flip, please talk to your tax advisor about whether you are ready for an S-Corp and/or whether you should operate under the same entity as a construction company.

I'm wondering if anyone knows of any realtors in the Oklahoma City area who have a background in home construction or repair and are able to approach it through that lens to help identify all problems as early as possible to help with negotiations? 

I actually enjoy construction but I'm ready to be my own boss.

We're in the process of releasing the lot from the mortgage, as our plan is to use it as a down payment for a construction loan to build a quadplex on it.

It gets the customer out of my hair during construction.  

I'm not a lender so make sure to double check, but I believe the DSCR loan will be the best bet.

All the costs Whitney outlined along with my construction budget seem too cost intensive for the ADU build.

1/3 of an acre on a corner lot isn't that big, and I bet not split able.