Get some policies and procedures in place.

Trying to read between the lines it sounds like you have a regular owner occupied homeowners policy in place on a rental property. 

@Mohit Gupta  depending on number of occupants your regular insurance can cover it, read the policy, ours covers two roomers. 

Took collective criminals about a week to figure out new PD policy was if no person in risk or harmed, don't pursue, stop by when available IF available. 

If they are VERY professional, they will have their processes in writing as verification that policies are enforced equally and fairly by their entire staff.6.

Policy is fine.

I am aware that since I’m renting one unit out I need a landlord policy, but can my policy be HO3 or does it have to be DP1? 

Hiring unlicensed and uninsured contractors is considered  an exclusion under most property insurance policies, meaning you could be giving up that benefit as well.

I know the founder and know that they've set out to build a platform that takes the best features of sites like Furnished Finder and Airbnb and leaves out the clunkiness and annoying policies and practices.

If they are VERY professional, they will have their processes in writing as verification that policies are enforced equally and fairly by their entire staff.6.