Taking on a mortgage will allow for a higher return on your money compared to paying cash.

How do I find CASH comparable Sold properties in the last 90 days?

In retrospect I should have given several of the candidates the same assignment(such as run these comps, make these calls, create this logo etc) to see who would perform the best & then compared the results.  

I would think they are very comparable.

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

Does anyone have any favorite sites they use for getting quotes and comparing multiple Homeowner's Insurance Policies, or do you prefer to just call around? 

And once calculated, it can be used to compare one real estate investment to another. 

This was what I based the comp on since it didn't make sense to compare this place with the big dogs, even though I kept second guessing myself.I go out to see this place tomorrow with the buyer's agent.

Prices of homes compared to occupancy rates and average nightly rental value are the main metrics I’ve been looking at

Try to find homes comparable to yours in size, location, and amenities to see what a good market rate may be.