Where to look first, what your account is allowed to do, and how to reach a person when the page you need does not exist yet. Most questions are already answered in How it works or the FAQ.
For anything that does not belong in a public channel: account access, payments and invoices, data requests, or a report you would rather not post. Hover, tap or focus the address to read it.
A link to the battle, request or profile in question
What you expected to happen, and what happened instead
Two things are faster elsewhere. Payment methods, invoices, receipts and cancellation all live in the Stripe customer portal, reachable from Billing. And a comment that breaks the rules should be reported with the report control on the comment itself, which puts it in the moderation queue instead of an inbox.
Statutory notices, the operator address and legal contact are on the Imprint.