Even the threat of court has caused some guests to pay up.

This means you pay interest on it.

Did you have something in mind here? 

Or will I be forced to pay to de-convert the unit before I can do any other renovations?

AND, if you ever sell without a 1031 before you die you’ll probably end up paying higher taxes in the end.

And my rentals there are cash flowing nice, but it's taking some time to getting it occupied, and I also found out that I need to make sure that the tenant is paying for the water, because the water bills are really high over there.I will keep you all posted along my journey, and I hope I could help you friends.

Early Termination....Duty to Continue to Pay Rent. 

You should pay 10k to 15k or less for the service.  10% on a million dollar build is beyond silliness to me.For 100k to 120k in design fees, I'd want the Property Brothers themselves to come down and design the thing. :-)

Or put you on the hook/fines/prison if you did not pay any taxes owed.

If you are paying no rent in your parents beach house that could bring in a lot more to your family being rented as a beach house during the season.