Summary of What I Did

• Data validation to ensure correct data formats (e.g., dates)
• Dropdown for Stages and Owner to standardize entries
• ARRAYFORMULA for automatic numbering of Lead ID 
• Conditional formatting to flag negotiations and closed deals, and past dues on follow-up
• Wrapping text to make the entries readable
• Protected ranges to safeguard formulas while keeping data entry frictionless
• Clean currency formatting throughout for readability
• Use of Filter to allow easy searching and filtering of the data
• Creating Dashboard to see the actual picture of tracking easily
• Use of SUMIFS, SUMIF, COUNTIFS, COUNTIF, IF, and IFERROR formulas for better results on the dashboard