Next purchase ask for the original applications of the tenants, if they can't be produced, we usually have them fill out new one.

We make our application criteria clear and those that meet them are usually quality tenants. 

Or, should I accept with conditions if one or more applicants do not meet the minimum credit score?

One must register the vacation rental unit, pay applicable fees, submit a current license as a Transient Public Lodging Establishment (“TPLE”), and provide other required information.

I have many clients looking for residential properties for REI.We typically approve within 48-72 hours after receiving completed application.

So I have an applicant who says she will pay 8 months rent upfront to get the house.

I've seen a few properties in Colorado mountain towns for sale recently with STR licenses that transfer with the property (rare to find because the waiting list to get a license is many, many applicants deep.

I joined for the CIX, only to find that I get one, maybe two lenders responding to my applications.  

Specifically, I would appreciate any links, videos, or other resources that outline my obligations.Do I need to mail the tenant a detailed statement showing any deductions from their security deposit and the remaining balance, if applicable?

I recently filled out a pre-approval application for a mortgage, however, the lender did a hard pull and told me they came back with no score.