They'll need to review the entire package to come up with a payoff for that individual property. 

The unit will be occupied far less often with more eyes on the property and reviews keeping you held accountable very early on to issues before the become anything bigger. 

The idea being to help you find comps you might otherwise miss using the traditional approach, but with any comp engine you should carefully review each comp and eliminate those that are inappropriate using your local knowledge.

I do have a substantial security deposit, and a *previous* landlord apartment building, not where she was living when I accepted her application, said she was a good on-time paying tenant who got her entire security deposit back, and I did spend 45 minutes at lease signing reviewing the terms of the lease.I did read the entire ,”Would you start eviction over $50?

You can check the reviews of that list from many different providers and you may find another story line as well.

I figured even if a real bank approval shows up, I would have my Attorney Review  period to back out of any other offer I make Any opinions in this regard? 

This is not really a review, but a summary of their costs and feature.  

You should have reviewed this before you signed the purchase agreement. 

Have you reviewed the case yourself?

Look at how long they've been on the site (Trip Advisor, VRBO, HomeAway, etc) and look at the reviews.