Excel Aggregation: Which Method is Correct? 4 Approaches and Criteria for Automation

I want to calculate totals by category, but I don't know which feature to use.I repeat the same aggregation work manually ...

Excel SUMIFS: Aggregate Account Codes by Prefix Match with Wildcards | 3 Steps to Reduce Departmental Expense Reporting from 2 Hours to 10 Minutes

It was taking 2 hours a month just to "add up items by the first digit of the code"This is a story from when I was observing ...