As we said in the last step, you should write your payment amount as far to the left as possible. This picture shows how somebody can add a number (and a few bucks to the bill) before the amount you wrote in.
Do You Even Need to Write Checks?
How to Write a Check - Step 3 The Amount of Your Check
From Justin Pritchard, About.com
Here's an example of what can happen if you're not careful when writing a check.
©2009 About.com, a part of The New York Times Company.
All rights reserved.