Woot offers Scotts ST00213S 13" 4-Amp 120V Corded String Trimmer for $34.99 (reg. $74.99) free shipping with Amazon Prime. 

Product Description:
Scotts 13" Corded Electric String Trimmer is ready to perform on the toughest trimming jobs. The rotating handle goes from edging to trimming with a simple twist. Adjustable handle and telescoping shaft let you choose angle, height and rotation to meet your needs. Cutting head has 3 adjustable positions and flip-down edge guard protects your flowers while trimming. Automatic dual-line feed for seamless operation. No need to mess with gas and oil, making for an eco-friendly job.

• Powerful 4-Amp motor offers the power to tackle grass and weed trimming around the house; Requires 0.065" line- spool and line included
• 3-position flip-and-edge adjustable cutting head for quick and easy edging; 11"-13" cutting width with bump feed
• Adjustable handle and telescopic pole allows users to adjust the length of the shaft for comfortable trimming
• Corded electric plug-in and requires no gas or oil, resulting in no fumes and no mess; Eco-friendly alternative to gas-powered lawn and garden equipment
• Built-in cord retention for keeping cords secure