The biggest weakness of manual Excel is human error. Use Excel's Power Query to import CSV files from betting data websites. Automate the import of fixtures and results weekly.
The simplest method is to manually input data from sources like the official İddaa website, Maçkolik, or Flashscore. This can be time-consuming, but it forces you to become intimately familiar with the data. iddaa analiz excel
Even with a perfect spreadsheet, users fail. Avoid these: The biggest weakness of manual Excel is human error