You've probably never given a second thought to the dollar bills sitting in your wallet right now. Most people don't. They're ...

Some $20 bills with a small star symbol, known as Star Notes, can be rare collectibles worth far more than face value.

JOPLIN, Mo. (KSNF) — That $1, $5, or $10 bill in your wallet might be worth way more than its face value. Knowing what your paper money might be worth is all in the serial number. Serial numbers are ...

Some features of the $2 bill can make the bill more valuable and rare. Red and brown seals are less common than green seals.

RALEIGH (WTVD) -- If you're looking to save money, you often look for a used appliance, but before you buy, make sure the appliance you're buying still has the serial numbers on the unit. Kathy Pollok ...

Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs ...

Knowing the serial number associated with the iPhones you give out to your small business employees helps you track who has what device. Additionally, you'll need to give Apple the serial number for ...