Walmart offers the Black & Decker 14" Corded String Trimmer/Edger, model no. GH900, for $33.92. (Amazon has it for the same price.) Opt for in-store pickup to avoid the $5.97 shipping fee. That's the lowest price we could find by $16. This 6.5-amp trimmer comes features an automatic feed system and can be configured as a trimmer or edger.