Everything aforementioned is great information, I just wanted to provide a little extra color in the hopes it assists your client's decision.

Adult Guest (No Content) will not have the option to select their Keynote or Breakout sessions, however they are required by the hotel to provide their personal information. 

I would look into your area's apartment associations as they provide regular meetups and resources.

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.