How to Buy a GPS

It's a great time to buy a GPS. The category has matured, and competition from nav-equipped smartphones has helped drive prices way, way down. As a result, you can get a capable stand-alone GPS that can do much more than just help you find your way, for a lot less than you would have paid just last year. Still, there are several factors to consider when choosing the right GPS: Do you need a big display? Should you spring for a live traffic subscription? Lifetime map updates? Should you even bother with a GPS, or can you just use your phone for directions? Here's what you should consider when navigating the GPS market.

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