Satellite radio is an interesting business model. They have extremely high overhead (satellites definitely aren’t cheap), but the marginal cost of additional customers is basically zero. Their satellites are already up there beaming signals down to earth; if the signal hits one receiver or a million, it’s all the same to them. In December, mom … Read more

How Restaurant.com Works Restaurant.com sells gift certificates to local restaurants at deep discounts. Their normal price is $10 for a $25 gift certificate, but they often run promotions where you can buy the same $25 gift certificate for just $2 or $3. $25 worth of food for $2! What’s the catch? Each restaurant has their … Read more