Landlord can be a tough business to navigate to make sure you are legal.

You can be sued for anything but that doesn't mean you require Insurance to protect you from everything.Consult an attorney and they'll help you navigate the risks

If you are not sure how to navigate insurance policies, try to get an insurance broker to give you all available STR insurance options.

They will likely navigate to the Landlord forum and read stories about non-paying tenants or ask a question that can be answered by other Landlords. 

I understand the challenges you've faced when navigating the lending process.

You could reach out to Kevin Kim at Geraci LLP in CA who's firm does securities and PML law in all states and is intimate with CA, OR, WA, and ID laws as well as corresponding state specific financial institutions governance (in WA it's called DFI or Department of Financial Institutions) and how to navigate their expectations accordingly... 

Please let me know if you need any help in navigating BP, etc. 

Doing it yourself means you may have to coordinate and be present for showings, answer calls at strange hours and navigate unfamiliar paperwork that you may not be comfortable with.  

I love helping new investors navigate the real estate investing world.

Forewarning, it's probably going to feel like one needs a 4yr degree to navigate it's operation.