This is a $2100 upfront money grab from what appears to be a payday loan company.

Here's an article with things to consider when selecting a cost segregation company.

Which company did you move to, and are you satisfied?

I called my local insurance company, as well as two major companies and was told "good luck." 

You can use the Bigger Pockets management finder tool to look up MTR management companies in the area and then I have a few recs I can provide if you are interested.Shoot me a message if you would like to discuss further and I can help you strategize to make sure you make the best decision possible!

Steadily has their own product (with multiple writing companies) and then they offer policies through other carriers just as an independent agency would. 

But in terms of the company you asked about a quick search shows there are a lot of people that are not happy with the service. 

You could also use "Doug's LLC and/or assigns" where Doug's LLC is your hypothetical company.As for the assignment contract, you can get one from an attorney for probably less than $1,000, you can also make a friend at a title company, they probably have a template they could give you.  

Quote from @Andrea Lucarelli: I’m interested in beginning my REI career with purchasing a SFH or condo in Cleveland area (safe neighborhood) to list as a furnished rental for travel medical professionals, supply corporate housing needs, or house temporarily displaced families for insurance companies.  

you can utilize a skip tracing company to get contact information for the owners.