So far, if we use the top 3 comps and multiple by the square footage, we'd be getting an ARV of around $700K.

You can have an email for each account and you should be able to set your phone up see multiple accounts at once should you get inquiries or messages.Just log into each account to make updates and price changes.

Many of also argued that forcing out many STR's will impact our tourism revenues, which we're very dependent on, as many travelers won't come here if they have to stay in a hotel.

@Jemini LeckieRecommend you first figure out the property Class you want to invest in, THEN figure out the corresponding location to invest in.Property Class will typically dictate the Class of tenant you get, which greatly IMPACTS rental income stability and property maintenance/damage by tenants.If you apply Class A assumptions to a Class B or C purchase, your expectations won’t be met and it may be a financial disaster.If you buy/renovate a property in Class D area to Class A standards, what quality of tenant will you get?

I'm aware that many of my competitors use PriceLabs and have wondered what the unseen impact is on pricing (viz. is there an artificial increase in our particular market because of it?).

I would encourage you to do a deeper dig on the financials and take your own skill inventory in making this important wealth impacting decision.  

How does this impact AZ Real Estate and other states that will get new residents from this disaster?

There are multiple strategies to take advantage of opportunities during an expansion.  

You can target lists through a multiple list source sites, skip trace those lists, then market to those buyers through cold calling, SMS campaigns, direct mailers, and/or door knocking; amongst other routes.

My lender at the time ASSURED me that it was totally fine, as I had asked him explicitly multiple times about refinancing a year or so later and he knew about the lease.