From canned sandwiches to Head On, history is littered with examples of failed inventions. This article points out the mistakes of some famously useless inventions and explains how to avoid their mistakes.
If you have a flair for design and love picking out greetings cards, consider starting a greetings card business from home. Hardly a month goes by without a greetings-card-worthy holiday, and birthday, sympathy and thank-you cards are always in demand. Pick one or several themes, and start designing