Sure, maybe you’re smart enough not to fall for the optional insurance car rental companies like to shill when you borrow one of their fine vehicles. And of course, you’re wise to the astronomical final bill you might get if you opt for their pricey fuel options. But do you know what other gotchas lay in store?

Our savvy siblings at <a href="http://www.shopsmartmag.org/?EXTKEY=I91CONL&CMP=OTC-ConsumeristLinks
“>ShopSmart analyzed the billing policies of the nine major U.S. car rental agencies and uncovered some of the other expensive charges consumers should be on the look out for when borrowing a car this summer.

Watch the video and check out Consumer Reports’ advice on how to <a href="http://www.consumerreports.org/cro/magazine-archive/2011/june/money/rental-car-surprises/car-rental/index.htm?EXTKEY=I91CONL&CMP=OTC-ConsumeristLinks
“>buck the trend of car-rental surprises and not get tripped up by travel charges.

And weigh in below: What’s the most outrageous, unexpected fee you’ve had tacked on to your travel bills?

Want more consumer news? Visit our parent organization, Consumer Reports, for the latest on scams, recalls, and other consumer issues.