Instruct: Classify the given review as either positive or negative.
Query: This is my second of this kind

My first weed eater (on wheels) just died tonight. I bought it 3.5 years ago and have used it in many places, including places it just should never have been used (hard rocky terrain, at chainlink fences, the creek, marshy type areas, etc). I have 2 broken vertebrae and cannot operate a regular weed eater. Even though I have to be careful with this model, I can still get out there and do the jobs that I don't feel comfortable with neighbors doing (esp. in my flower garden!) for me. I buy 2 containers of string everytime I see it on the shelf, just to be sure the store doesn't sell out before I need more. Expensive - NOT! I bought the first one for $150.00, so $50/year of hard labor was nothing to complain about in the end. For those who are getting 'bad' units, I would highly suggest exchanging them. I can't say enough good things about this model... :)