Match gross receipts, platform fees, adjustments and deposits to the same period.
Build one period you can reconcile
Use the same statement period for every field. Keep the source statement and receipts beside the result.
Boundary: This is arithmetic, not tax, legal or financial advice. It does not decide deductibility, account suitability, GST/HST, income tax, CPP, installments, benefits, provider eligibility or a payout.
An owned-guide open is not an account, application, paid conversion, payout or revenue.
Turn the result into an operating routine.
The banking layer should preserve records and prevent accidental spending; it cannot settle the tax boundary for you.
Keep business operating needs, required records and personal spending roles distinct.
Check structure, GST/HST, tax and account terms against current primary sources and your facts.