This is my 1st post, be kind please. I recently bought a roybi weed whacker from home depot for 110, i later find out that its going to over-heat when running for extended periods of time & also that it only runs on half choke or whatever. i called home depot up and they said that they dont even have any weed whackers that are meant to run for 8 hrs a day. my question is what weed whacker can i get that will be able to last 8 hours a day 7 days a week. id prefer if it came with a warranty, where could i get it at also. thanks.