Be sure to check out the free tools BP provides to help analyze deals you may have and also market insights.

Collaborating with seasoned investors or assisting with deal analysis can also provide valuable hands-on experience.Good luck!

Some were unwilling to provide proof of funds.

is so what lender did you use that provide non recourse loan?

More likely is that they have been 'touched' by a many people providing the same service and narrow their selection to the few where they formed an favorable impression.

I'm struggling to understand some aspects of your response, but it provides some things to think about.

I have provided them a letter from my broker about the amount that can be used.

If the guest feels slighted, there is no fact checking service provided by AirBnB to confirm their claims, so it is up to you to let future guests know the level of professionalism you provide.If you are able, I would recommend editing your response to the 1-star review.

Quote from @Roger D Jones: SamEveryone here is providing great points to consider and if you were my son I would say that at 360k this 'dog needs to get put down'. 

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!