On the Web: The 4 Catastrophic Mistakes of Any 
E-Commerce Website Upgrade

Mistake 2: 
Getting the Website of Your Dreams ...
 And You Can't Change a Thing
You go through the time and effort of a major redesign. You finally roll out the new site, and you're ecstatic with the increase in sales. Then, after a few weeks, you want to make a change to your homepage content, create some new categories and release a free shipping offer to a special segment of your audience. But you quickly discover that these seemingly simple changes aren't so simple — they might actually cost a lot of money to implement.