The cost of staying in spreadsheets
Spreadsheets are free. Spreadsheet maintenance is not. The hours spent maintaining, debugging and re-formatting a spreadsheet model add up fast — and the analyst tasked with it usually has higher-leverage work to do.
The cost of moving to software
Switching costs are real. Five to ten minutes per project to set up the first time, plus a small learning curve for the team. Most teams break even inside a month.