Commas save lives! With large numbers, it's difficult to see what number was actually entered without commas present, and the wrong number can easily be entered as a result:
![image.png image.png](https://community.alteryx.com/t5/image/serverpage/image-id/363821i7F7EFAEBF7EE309D/image-size/large?v=v2&px=999)
Is this number
- 100,000
- 1,000,000
- 10,000,000
It's hard to say without taking a really close look!