Cutting a tool is half the job; the other half is seeing the bill stay down. Record each change with what the line cost before, then add a vendor report a month or more later. The ledger compares them and shows what you planned, what the reports imply and what has actually stopped leaving, kept apart. It is saved in this browser only.
Find the changes worth making with the free audit, and the days they must happen by on the renewal calendar. The monthly spend review shows where the later reports come from.