Umbrella insurance policies can add an extra layer of protection across your portfolio.

If you want another layer of protection get an umbrella policy.You don't want to trigger the due on sale clause for a likely low interest mortgage.Also if you aren't operating your LLC 100% you likely only have a false sense of security. 

Whatever you use, highest mil layer you can afford, 100% vinyl so that it's waterproof, use a good underlayment. 

Asking the right questions is vital to getting the right answer.

You state that everything is equal but are concerned that not everything is equal...It's very possible to see a price spread like that even with comparable coverage but it's also vitally important you work with someone that has your back to make sure you understand your coverage before you'd have to use it.  

Your conservative approach to estimating income provides a solid buffer, and the strategic location adds a layer of security.

Do not just buy LVP with underlayment already glued on it as a layer.

I didn't like the exchanges being hacked, didn't like the concept of cold and hot storage, 6 word passkeys layers on additional passwords, and those cold storage devices.I actually like my money as digits on a screen, partnerships, and physical real estate.

The goal here is to reduce liability.Consult an Attorney for Liability Options: An attorney could advise on setting up an umbrella insurance policy to add an extra layer of liability protection.

With you being an out of state investor, I assume based off your Denver location, it is vital that your property manager does their due diligence beyond just getting a rental verification.