The ? says that I revoked BS from bidding on eBay. How do I change the eBay settings so BS can bid.

Hello Paul,
Thank you for your question about this snipe. When we placed your snipe, eBay returned the error, "This Token has been revoked by App." It appears that you revoked our authorization at some point in the past. (We did not take this action.)
Authentication can only be revoked by from your "My eBay" page:
My eBay > Account tab > Site Preferences > Third Party Authorizations > Show
We hope we have resolved this to your satisfaction. Please advise if we can help with anything else.