Support

Before you write in, two things solve most of it. If the menu is missing, reload the file. If Google is warning you about an unverified app, the walkthrough on How it works takes you through it click by click.

Read the setup walkthrough

Ask about a workbook

Setup problems, a number that looks wrong, questions before buying, refunds. All of it comes here.

A person reads every message. There is no ticket queue and no chatbot in front of it.

The reply goes here, so check it is the address you actually read.
Which workbook, what you clicked, and what you saw. The exact wording of any error message helps more than anything else.
Custom work

Enquire about a custom dashboard

For when the off the shelf workbooks do not fit and you need something engineered around your own accounts and categories. Tell me the decision you keep making without good numbers, and you will get a straight answer about whether it is worth building.

The decision you keep making without good numbers. Be specific, it is the most useful thing you can tell me.
Spreadsheet, accounting software, bank exports, a notebook. All of these are fine answers.