Slate’s economics blogger, Matt Yglesias, shared a money-saving idea for Amazon shoppers that he uses. Yglesias advises online shoppers to sign up for a program called “Amazon Mom” (even if you’re a man with no kids), create a fake baby name, birth date, etc., and enjoy the savings.

What other shopping pointers might Yglesias have? Tweeters speculated with the hashtag #ShoppingWithMattYglesias. Here are some examples:

Those are some serious money-saving tips, and perhaps one or more will appear in a future Yglesias column.