Do I Call, Write a letter, Door Knock? 

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!

The write-up from the listing will always be favorable to the seller.

And in a highly competitive business that distressed RE is the inventory moves to fast one needs to be able to look at a deal and in 5 minutes decide.. at least to make and offer

I’m playing the long game so cash flow is not a huge deal in the near future.

write them a polite letter, with your request for payment with the option(s) that work for you. 

Writing off deductions is one of the many benefits of real estate investing.

After hearing them explain it, my mind immediately started spinning and imagining all types of ideas to support some of my future real estate business plans.

@Mark ProctorI had to do this for my RE business. 

Finally the future few bookings all be cancelled by guests(mainly returning guests).We will finish few more months fully booked service and then switch to long-term.We manage and run long-term much longer than short-term.