Hi djw10,
Thank you for reaching Microsoft Community. I'm sorry to hear about what happened to your Surface Book 2.
Liquid damage is not covered by the Standard Manufacturer Warranty. For cases where Microsoft Complete (Accidental Damage Protection) was not purchased for the device, an out-of-warranty option will be offered which costs $599.00 for a Surface Book 2 13.5". Please see: Get service for your out of warranty or damaged Surface (microsoft.com) and How much does out-of-warranty service cost for your Surface device or accessory? (microsoft.com) for details.
You may also contact our live support for further assistance. You may contact them through the numbers listed in Global Customer Service phone numbers (microsoft.com) under For Business users. This works with Home users also, just select Surface then Home as a type of user in the IVR prompt. You may also reach them through this page: Contact Us - Microsoft Support following the steps below:
1: Go to Contact Us - Microsoft Support and sign-in your personal Microsoft Account
2: To make sure you are using the correct locale of the page, click the Globe icon on the lower-left corner of the page then select the country you are in.
3: Click Get support
4: On the Describe your issue box, type in Contact support then click on Get Help
5: Click on Contact Support at the bottom
4: On the next page, select Surface then Technical support then choose your Surface model and click on Confirm
5: These options should appear depending on which is available on you country. It would also show the available time of support if in case you accessed the page out of the time of operations.
You may select **Provide your phone number and a support agent will call you** option and you will be ask to select and confirm your phone number then click **Confirm**. You will then receive a phone call from support in a while.
Selecting **Chat with support agent in your web browser** will ask you to confirm the email address associated with your Microsoft Account then click **Confirm**.
Kind regards,
Marrion