Better Business Bureau

American consumers are getting savvier, and happier. We consulted the BBB far more often in 2011 than we did the year before, and lodged fewer complaints. But there were still plenty of gripes, and the worst offenders may not surprise you.

A series of major problems and the whiff of potential fraud at a tax-prep company called "Mo Money Taxes" are a scary reminder: Be smart about selecting the professional who helps with your tax return. Here are some tips to help you avoid the shady characters.

Uncle Sam isn't the only one looking to collect from taxpayers this year: A rapidly growing number of Internet scammers are also using the guise of the IRS to siphon money out of consumers' pockets, security experts say.

Despite a rough economy, Americans expect to spend 17% more than last year on holiday gifts. But with money tight for so many, it's more important than ever to be wary of scammers. Here are some of the most common scams you might encounter:

Still scrambling to find a Halloween costume? Beware of ghoulish fraudsters looking to profit from your mad dash. Because Halloween stores are only open for a month or so, unscrupulous operators can take advantage of customers and then just disappear into the night.

A raft of con artists have cropped up over the last two years offering "forensic loan audits." They promise to review your mortgage documents, looking for errors and legal flaws that they say they'll use to expedite a loan modification deal. All they usually end up doing is taking more money from already stressed homeowners.

Gold prices are up again, and floating near an all-time high: That means bad news for the overall economy, but good news if you have unwanted jewelry and want to cash in. But be careful: It's also a good time to get cheated. DailyFinance explains how to get the best price for your gold.

The estimated tab for Hurricane Irene's fury is already in the billions of dollars. If you're among those who have property damage, proceed with caution -- you don't want to get hit again, this time by home repair companies that jack up their prices, do a poor job, or walk away before the work is finished.

Poor customer service is one of the primary reasons people tend to shun certain companies and even whole industries. 24/7 Wall St. identified the U.S. industries with the most complaints, as well as the troubles people have with them. If customer service is important to success, those we identified could be in trouble.

The Better Business Bureau's slogan is "Start with Trust" -- but not so fast. It seems the BBB has inherent conflicts of interest, and questions have been raised about what it takes to "earn" an A from the BBB. Can companies pay for good ratings -- or worse yet, do they have to?