Not only the management aspect they'd be providing but it would allow you an opportunity to "learn on the job" for when you plan on managing it yourself and also give you context for questions that you may have and someone to ask them to.

Consulting with an independent insurance agent can also provide personalized recommendations based on your situation. 

Hi Ayyoub Research is the key, Conduct thorough market research to understand why the competing property is listed at a lower rent, Consider any improvements or upgrades that could enhance the appeal of your property to potential tenants, If you're unable to match the lower rental rate of the competing property, consider other incentives to attract tenants, such as offering a shorter lease term, including utilities in the rent, or providing additional amenities.Hope it helps.

Networking with other investors can provide valuable insights and opportunities.

The reality is the opposite - if it's not in writing then the PMC doesn't have to provide the service or can charge extra for it!

It forces agents to be transparent about what they are providing for their X%.

All any of the respondents on this forum can do is make some very big assumptions based on the limited information you provided.  

Drop me a line anytime and I am happy to brainstorm possibilities, as well as provide you with revenue/occupancy potential for the various communities and home types.

I personally made the mistake of working with friends who provided contracting services for me and continually dismissed and ultimately gave them enough leash to hang myself on.

You might end up with less than your effort should provide, but that's the learning cost of the shaky deal.The bright side is that there seems to be several workable solutions, and the two of you are on good terms.