The ad-fortified Wi-Fi-only e-reader will save you $25 but beg you to ultimately spend more with its sponsors. Then again, you're used to solicitations in your digital reading, aren't you? (Hint: Look up, right.)
Every so often, you have a small experience in business that teaches big lessons about what really separates winners from losers. I had one of those experiences a few weeks ago, involving my father and a Cadillac dealer.