What has your rewards card done for you lately? Not much most likely.
NEW YORK (CNNMoney.com) -- You got burned with frequent flier miles, which were nearly impossible to redeem and hardly worth the hassle, so credit card issuers turned to other kinds of incentives to entice you to charge more. But most rewards programs aren't much better, and consumers are still eager to sign up for them despite the same old traps.
About 85 percent of U.S. households participate in at least one rewards program, according to a study released Monday by Consumer Reports. And though rewards do spur consumers to spend more, the study found that confusing rules and restrictions make most reward cards more trouble than they're worth.
"They make it 100 times more complicated," said a former marketing executive at CitiCards, referring to the popular rewards programs. For example, when you read the fine print, you might find that some rewards are limited to certain brands, or expire if not used within a certain timeframe.
Of the different reward cards available, the most popular programs are cash back, where customers receive a percentage of expenditures back in either a check or money off of their next bill. Other reward cards rack up "points" which can be redeemed for various items, or offer people discounts at certain hotels, stores, restaurants and gas stations.
And while cash back, gas and grocery rewards credit cards can offer some relief for costly essential items, they often carry higher annual percentage rates than traditional credit cards, Consumer Reports said. Looking at some of the more generous credit card rewards programs, the study found that rates varied from 9.74% to as much as 19.99%.
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"If the rates are high, the cost to carry a balance will often erase any savings the rewards program may offer," said Amanda Walker, senior project editor at Consumer Reports.
Some reward cards also carry annual fees, making it even less likely that consumers will come out ahead. And even the more generous programs have limits on how much consumers can earn in rewards, not to mention looming deadlines by which the rewards must be used.
And in addition to the complicated rules, fees and higher interest rates, customers are leaving unused rewards on the table. More than 41 percent of reward cardholders either rarely or never even bother to use their rewards, said a 2006 survey by GMAC Mortgage and Harris Interactive.
To avoid the pitfalls and get the most back from your card, Consumer Reports offers these tips:
Consider where you shop. Opt for cards that will earn rewards at stores and services you use most often, or offer savings on items that you actually buy regularly. Airline and hotel discounts, for example, are not particularly useful for those who aren't frequent travelers.
Project your spending. Figure out how much you're likely to spend, and translate that into cash back or points, depending on which program your card uses. For points, figure out how many you need to get the rewards you want. Make sure to subtract the annual fee, if your card has one. If you realize that you'd have to spend a small fortune to earn only a tiny reward, try another card.
Favor cash back. Points often end up unused - a plus for the credit card companies who got you to spend more without having to give you anything in return. But cash back accumulates without you actually having to do anything. Plus, Consumer Reports found that cash back cards tend to offer better rewards than point equivalents.
Skip credit if you carry a balance. If you don't pay your bills of in full, you may want to pass on the rewards cards altogether. Because rewards cards often have higher interest rates, you may end up paying much more in interest than you reap in rewards.
Do the math on do-good programs. Do-gooders might be enticed by cards that give rewards to charity. But they usually pay very low rates - about 25 to 50 cents for every $100 you charge. You're probably better off going with the cash back, and then sending money to a charity yourself. You'll end up with a larger donation - and a tax deduction.
Use airline miles fast. If you do still use airline miles and manage to save up enough for a trip, make sure to use them right away. Airlines are always changing their redemption rules, and considering how much the big carriers are struggling these days, holding onto unused miles can cost you.
Avoid temptation. Research has shown that credit card customers are tempted to charge more in order to earn points toward a reward such as new digital camera or set of golf clubs. But overspending for a "freebie" often doesn't pay.