When Spreadsheets Trump Code: The Real Cost of Custom Tools

This article challenges developers' instinct to build custom solutions by revealing the hidden costs of internal tool development. Through a real case where 80 hours of coding produced inferior results to a $25 spreadsheet template, the author demonstrates that custom development often wastes time and resources better spent on revenue-generating work. For developers, the critical lesson is recognizing when building custom tools is economically unjustifiable compared to existing solutions.