Yes, @cas3, they would get double counted if there isn’t an offset that neutralizes them.
The “matching” process is more of a “soft match” since the scripts do not look for and match to specific rows in your Transactions sheet. Essentially new purchases are added to the sheet as both line item expenses and order total credits. The order total credits should essentially sum to the amounts of the credit card charges (from Tiller Money Feeds) and zero them out— leaving only the line items which can be itemized and categorized.
More details here…