Any buyer willing to pay a $10k assignment fee up front is going to close. 

And, a minority of landlords will experience tenants who stay put for years or decades paying under market rent.

There are great tenants willing to pay market rate.

Pro tip: make sure the rehab budget is non-dutch, meaning you are not paying interest on the rehab budget until you begin to use it. 

I don’t want to mess around with homeowner grade stuff from Lowe’s or whatnot, and am willing to pay a fair amount to start getting these under control  professionally. 

Pay attention to clauses related to payment schedules, handover dates, and penalties..By keeping these factors in mind and conducting thorough due diligence, investors can make informed decisions and mitigate risks when investing in off-plan properties in Dubai.

(would be easy to do because I have everything already in a spreadsheet)2) When do we actually pay this? 

It sounds as if you're not happy with the asset, the size, the unit mix, and its performance.You could wait until rates drop, and find someone willing to pay a higher price than now.

I did demolition for a single family home builder who used to do septic and well and they said they were transitioning everything to public utilities only and we tore down 3 homes they built 15 years ago that were on a ground lease. that was in columbus ohio but I couldn't believe it. your property values will be lower than traditional 

I have 6 rentals that break even and do not cash flow but help with depreciation but also plan to pay off in next 15 years.