1. Stores so crowded with widgets, gadgets and things that poof, you can't move or see things.

2. Going for a pretty store and nice scale, but forgetting your customers need to be able to see what they might want to buy.

3. Buy something and get thousand landmarks, pose stands, notecards etc in the file.

4. Buying something and finding that the image was post processed so much it does not resemble what you actually receive.

5. Huge store that takes forever to get around because there are endless repeats of the same merchandise.