Usage-based car insurance (UBI), also called telematics, rewards careful drivers with lower auto insurance premiums. It's becoming increasingly popular among insurance companies and their drivers.

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So you carefully monitored your spending the last couple months and finally started seeing that checking account inch upward. Perhaps you can spring for those Lady Gaga concert tickets or put some ...

NPR's series Cost of Living: The Price We Pay is examining what's driving price increases and how people are coping after years of stubborn inflation. How are higher prices changing the way you live?