Additional info: We're also currently in a middle of a listing of our 2nd flip as well.

Additionally, set up home searches in each market.

You could reach out to the folks at The Nature Conservancy and they could provide additional info if that route sounds appealing.  

In general hands off ADU additions cost more than the value that they add.Have you looked into what the garage could rent for as a garage?  

Happy to connect if you have any additional questions.State of Michigan Property Tax Estimator: https://www.michigan.gov/taxes/property/estimatorGrand Rapids MI Rental Certification: https://www.grandrapidsmi.gov/Government/Programs-and-Initia...

When the transaction closes, the purchase is funded, and we set aside additional funds in an escrow account to pay predetermined professionals to make any required or desired repairs or upgrades to a property AFTER the buyers settle on the purchase transaction.

They can help you strategize the timing and structure of your loans to maximize your leverage while keeping costs low.Let me know if you’d like additional guidance or a deeper dive into any of these strategies!

You should be able to find a PM in your target market to help manage everything for you (I don't recommend managing from a distance...it can be a nightmare and your time is more valuable focusing on your sales business). 

Here's an article with additional FAQs on cost segregation studies that you may find helpful.

Additionally, your loan purchaser would supply the necessary documentation.