2. Mistake #1 Mistake – Hardcode numbers in the formula How to avoid? Flip the page (Ctrl + ~) and verify that all formulas contain only cell values
3. Mistake #2 Mistake – Input values are wrong How to avoid? Double check the values before finalizing the spreadsheet Ask for someone to review
4. Mistake #3 Mistake – Using different types of formats for the same type of cells How to avoid? Define a default format under “Formal Cells” option Use “Format Painter” feature to align formats of cells from the same type
5. Mistake #4 Mistake – Create a cumbersome and too long spreadsheet How to avoid? Break the sub calculations into sub-spreadsheet Use only relevant and not just FYI values in the summary sheet Keep the summary spreadsheet to fit one screen
6. Mistake #5 Mistake – Not explain operators in the flow of calculations (what is the mathematical operation I am using on the row above) How to avoid? Clarify what the operation is in the row description (e.g. + Net Income, x Tax Rate)
