Your most frequent claim will always be theft (copper, HVAC, etc) as a wholesaler.

Do tenants move in and out frequently?

As you might imagine, these forms are frequently used by buyer and seller agents but they are not required by law.  

Instead, identify the characteristics of the people you want to occupy your property.

Every small town is different with unique characteristics and features (good and bad) so I wouldn't rule out a deal because it's in a small town.

In my experience if you get the deal in a mass email it has been passed over by the serious investors that purchase more frequently and its not one of the best deals. 

I think it'd depend on your need for frequent or remote rekeying or opening, versus tougher security - so it might depend on where your rentals are located.Consumer Reports had this to say about the digitals:We found keypad-operated door locks convenient.

You will notice that there are frequent members who respond to posts that have these keywords.

Goes to show I need to get on BP more frequently! 

But frequently in business disputes the participants aren't black and white, but both parties are shaded with some hue of gray.