If they won't let you build on it, explore doing a lot tie agreement so that you can combine the parcels and when you go to resell it, you can ask for a higher price point based on the large lot.

Review their management agreement.

99% identical to Joe above, only difference is we use loan docs vs an agreement with wholesaler. 

If I were you and you need to meet the requirement of working under a Broker, just make sure your agreement with the broker allows you to take all your properties with you once you leave, obtain your brokers license and start your own brokerageI would also start looking at software systems and joining the National Association of Residential Property Managers.

The agreement they sent showed a monthly interested payment of $2,500 (based on total BLOC amount). 

Basically common contract or agreement law.

.- You should have required the tenant to sign a Hold Harmless Agreement, indemnifying you against any of their claims.

I got an estoppel agreement filled out to figure out lease terms, etc.

It can strengthen your relationship with your property manager and demonstrate that you value their contributions to your business.It helps ensure compliance with lease agreements.Many lease agreements require landlords to name their property managers as additional insured parties on their insurance policies.

I would be a job for you, but could be lucrative depending on how you structure the agreement.