Use this time to study at the university and continue to study real estate.

Many banks securitize their loans (bundle them together) and sell the loans to Fannie Mae or Freddie Mac, while continuing to service the loans, that is collect your payment.

This year, let's prioritize learning and adaptability, recognizing that continuous growth is key to staying ahead in an ever-evolving world.Networking and collaboration will be crucial as we navigate the changing landscapes of industries.

As long as the husband continues to pay rent for a couple more months, I will let the ex off the lease. 

Will they continue paying market rent for a mismanaged property. 

If you can continue to get an 11% return, I would stick with stocks.$500,000 will turn into $1,000,000 in less than 7 years.Great return and little to no work.You may want to consider spending $400,000 on stocks and $100,000 on a rental property.Take the $100,000 towards a property and see if you can make a return and handle the work involved.Best of luck!

The goal is to continue growing the management business with our portfolio.

If you do decide to help them out and rent continues to be late simply have a talk wiht them and remind them that rent helps pay your bills and since you did them a solid ask for the same in return.  

If you plan to resell, I think it's wise to discuss with seller in advance and that way the lien on the property can be transferred to second buyer, but you can continue to make payments at the former schedule etc.

Then continue moving from one unit to the others until you renovate them all.