AMAZON’S PRICE DROP POLICY: I didn’t know about this:

Did you know that if the price on something you buy drops, within 30 days of your purchase date, Amazon.com will credit you the difference if you ask for it? It’s a not-advertised price drop policy that most people don’t know about and it’s saved me tons of money over the last few years.

It’s news to me. Thanks to reader Paul Engel for the tip.