Top 10.

1. Write the wrong word in the title of your blog.
2. Grow a 'stache that everyone in your house despises.
3. Knock a hole in your basement wall for a window when you've not done it before.
4. Delete Windows XP off your laptop before you have created a system disk.
5. Install a wrong version of Windows XP that doesn't work
6. Loose a week of using your laptop waiting for the manufacturer to send a new disk.
7. Having to keep editing (3x) your blog because you don't click the spell checker.
8. Not being able to finish the top 10.
9.
10. :-)