Wendy has been a product manager here at Salary.com since 2008 and has been a web professional since 1999. Read more...
Over-promising so much that you work long hours and/or miss deadlines
Users who admit to committing this sin: 45.1%
While it is a good idea to give your all in the work you do, it is essential to know your own limits. When you promise more than you can deliver you will either deliver poor quality work or miss your deadlines.