Since you have no contract, there is nothing that says you do not have to pay if you are not satisfied, and your spreadsheet would seem to indicate you owe him the money.Similarly, since you paid him for previous work on the spreadsheet, and the spreadsheet shows you owe him for additional work, your argument is not very strong.

I have also added line items for common area monetering and additional appliances.

I also like to use incidental insurance as an additional layer such as Waivo to cover items.

This ensures enough space for the homes, parking, and any additional amenities while maximizing land use.Project Scale: To reach an institutional-level deal, you'll typically need at least 100 units.

The unique part is the additional basement garage.

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?  

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

If you are paying off a 3 or 4% mortgage, why not just take the additional cash and transition that into assets that provide a 8-10% return.

I would look through emails or texts to see if you have any additional evidence to support your side.

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...