Using the BP calculator, would you analyze the property based on current rents or future/expected rents?

Some companies will offer a warranty that may be assigned to future home owners. 

That potential tax number, on an new purchase in the future, effectively does not go down it just continues to rise over time. 

ARV currently >$1M based on comps and knowing the market.Opened May 2018-- Despite being off season, already have solid income trending and future bookings.  

Generally the T3 is the best indicator of trend and your lender will put most weight on those numbers.

For a short investment, like Fix and Flip, I would not be as concerned about the long term future. 

Let them know that if the system breaks because they abuse it by running it constantly, they may be liable for the expenses.In the future, you may want to consider educating tenants before they move in.

For the corporate tenants you might have had, have you focused on creating relationships with those companies, so that they could provide a future stream of incoming employees, or have you fully relied on Airbnb as the only communication channel?

No one know the future but I think Phoenix values will grow.The bottom line is:   Phoenix is the fastest growing major city in the United States.

Approved or not approved but a plan to do so in the future.