It's also best to prevent the head of the weed eater from being directly on the ground to avoid doing major damage to your lawn. Sometimes the Stihl weed eater won't start or run at full throttle ...

The C means it has some built-in comfort feature, in this case it means the trimmer has an Autocut Easyspool line head. Finally, the E stands for Stihl's Easy2Start system.

Commercial landscapers use the speed-feed head, which is quicker in installing the line, Boyer said. Larry Davis, president of West Farm Equipment in Sheffield said there are many sizes or trimmers.

Weed Eater Featherlite SST25CE, $90, CR Best Buy This straight-shaft, gas-powered trimmer weighs just 10.3 pounds. Still, this model is no lightweight when it comes to performance.