I'm new to this and what do I do about insurance in my guest house I'm doing stays in

That would be a local /national matter , check if its actually needed first then contact national insurers.

Reminder we dont know where you are, since you have failed to add your listing link into your partner profile.

How & Why Add your Listing to your Partner Community Profile

contact support to review your setup.

REMINDER : NEVER POST ANY ACTION REQUEST , ESPECICALLY CANCELLATION REQUESTS HERE, NOTHING WILL HAPPEN., EVER!

Simply report to BdC Partner Support , see below 3 methods.

Message or Call BdC PartnerSupport ***

1. In the extranet, go to the ‘Inbox’ tab.
2. Select ‘Booking.com messages’.
3. Right Pane - Click on ‘See Contact Options’. 
4. Choose Account
5. Now choose Other
6. Then at bottom , See all contact options, and click Message or Call
7. As there is no one number for all partners, the number for your nearest BdC Partner Support is then revealed.

8.  

   *** public main lines via Where you can reach us

    

    

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