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

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

I charge a $150 pet fee, of which $30 goes to my cleaner for the additional cleaning. 

You will have less to invest, but you will spend within your limits.You must maintain control of your finances.

Foundations are tricky because there are usually multiple ways to address something and foundation contractors like to scare people into spending the most possible. 

This way it’s no up front out of pocket expense for me and they then have the extra money to spend as they need it.

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.

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