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A Short Guide to Understanding Bitcoin

The bitcoin market is full of risks -- risks that may make bitcoins worth as much as a foil-wrapped piece of chocolate. Here's what to know about this digital currency.

Living Without Credit Cards: She Made It Work, and You Can Too

Every time you make a plane reservation or rent a car or pay for concert tickets, you're asked to provide a credit card number. Liz Smiley provides a debit card number instead. Smiley has lived without a credit card for more than four years, and she doesn't miss it a bit.

How He Earned 4 Million Airline Miles by Buying Dollar Coins

Rewards cards can be a great way to earn free cash -- if you use them correctly. Brad Wilson, founder of deal site BradsDeals, took that idea to its logical extreme, raking in millions of points for free, and now he's sharing his techniques with us.

Want to Save on Gas? It's All About How You Pay

Drivers are feeling the sting of rising gas prices, with the cost of regular gas up 15 cents a gallon just in the last month. Convenience chain Cumberland Farms hopes it can ease the pain with a new app that offers a 10 cent per gallon discount at the pump.

What to Do With Unwanted Gift Cards

Last year, Americans bought each other $3 billion worth of gift cards, and about $1.7 billion of that is doomed to end up as "spillage": money left on a gift card that never gets spent. Don't let your plastic-bound cash disappear -- let these websites help.

Are Mortgages from Walmart the Future of Lending?

Since the financial crash of 2007, banks have lost their luster and alternative financing options like peer-to-peer lending have grown rapidly. Now, a new study suggests the next phase of lending's transformation will be companies like Walmart and eBay offering big loans at lower rates.

Marijuana Legalization: 3 Legit Angles to Profit From Pot

When talking about the groundbreaking pot legalization propositions that passed this month, news anchors can't seem to get through a sentence without giggling. But this is a serious issue, and presents investors with a serious chance to profit from the change in America's drug laws.

Did Tea Party's Top Campaign Donors Tax Themselves?

Tea Party mega-donors poured hundreds of millions into the 2012 election, and one of their key goals was to keep taxes low for the rich. Had Romney won, their investments could have paid off mightily. Here's a look at how what they donated compares with what they'd have saved under Romney.

PayPal Announces the Season's Best Price-Match Policy

Every holiday season, most major retailers roll out special seasonal price-match policies in an attempt to assure customers that they won't be undersold. But chains like Target and Best Buy just saw their price-match deals blown out of the water -- not by another retailer, but by payment processor PayPal.

Will Peer-To-Peer Payments Save the Mobile Wallet?

For all the hype about the rise of mobile payment technology -- use-your-smartphone-to-pay systems -- the reality is that it has been slow to catch on. But there is one place where it's starting to gain real traction: peer-to-peer exchanges.

How to Profit From the Decline of DVDs: 3 Stocks and 1 Idea

Disney just released this summer's blockbuster The Avengers for the home market, and it's likely to sell a ton of DVDs. But if it does, it'll be a rarity: DVD sales have been slowing for years now. That's bad for Hollywood, but it could be financially good for you.