@Sean Yang Almost all of my clients prefer to go "paperless", in that we use cloud sharing services to review documents.

4️⃣ Unverifiable Business – No website, no reviews, and only a generic Gmail/Yahoo email?

The reviews were so stellar, almost thought that they were fake at first, but some of the reviews come from people that have more than one or two post.

PayRange seems less expensive, but customer reviews for users seem overly negative. 

I'd say I have a similar review as @Don Miller.

We have well over 100 Five Star Google reviews.

Like with so many things, awareness and access to information leads people to take less favorable options when spending their money. 

If you don't like Dave Ramsey then we can look at Big Bang Theory where Penny borrowed money from Sheldon and even though he didn't care about what she was spending or when she would be paying him back, every time he said anything she thought he was grilling her about that. 

How much will you have to spend to make those units worth more to the renter?

We have been around the bigger pockets community for over a decade now and have more 5 star reviews on bigger pockets than any company on this website in any industry (>270 5 Star reviews).