- Thou shalt carry a contingency line item
- Thou shalt not be arrogant
- Thou shalt not be careless
- Thou shalt not hard code numbers into a formula
- Thou shalt not promise that something will be done in under an hour
- Thou shalt not hide a mistake
- Thou shalt not color text white so it is invisible in the spreadsheet and when printed
- Thou shalt not “just use the assumptions from the last model”
- Thou shalt not format assumptions the same as outputs
- Thou shalt not believe your or another’s projections
May
05