If you own a truck then chances are you use it for hauling more than just groceries. Drop-in bedliners are nearly standard issue on most pickups these days, but those of you using your beds often and living in the Rust Belt, be cautious. Dirt and debris will make their way under your liner over time. We’ve pulled liners out of older trucks only to discover that rusty holes have formed in the bed. Preventive measures, such as a quality spray-in liner when the truck is new, can save you serious coin in the long run.