How to find if your mechanic is ripping you off?

Web site RepairPal provides independent repair estimates to help you
decide if your mechanic is ripping you off. Just take your mechanic's
quote and compare it to RepairPal's encyclopedia of repair estimates by
specific make and model—RepairPal will even factor in your location and
provide you with a breakdown of parts and labor estimates. The site
also offers a review tool for finding trusted mechanics in your area,
offers advice for common problems with your make and model, and can
track all of your car's service and repair information.

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