This is too easy:
"Ebay is Your Friend: Turning a Profit and Making Your Dreams Come True in the Digital Flea-Market"
Next question?
- How to write an attention-getting headline
- Finding appropriate "stars and stripes" clip art to accentuate whatever you're selling
- The tasteful use of nudity to help sell your item
- Dealing with dickheads
- How to take pictures to make your stuff look bigger/shinier/cooler than it really is
- "You call it shipping charges, I call it keg money"
...and on and on...