Walk Behind Lawn Mowers

I bought a Husqvarna HU725AWD at Lowe's less than one year ago. It clearly put together incorrectly as the left back wheel is completely wobbly, it scalps my lawn, and now it won't mulch. Needless to say it is a piece of garbage. When I took it back to Lowe's they would not help me because they don't service mowers and they don't do warranty work. I called around town and talked to 3-4 other shops and they wouldn't even do anything warranty related for 3-4 weeks, because I didn't buy it from them. This is terrible service from Lowe's and I expected better quality from Husqvarna. I am sick about this purchase. I will never buy any tools from Lowe's or anything made from Husquvarna again. Movers should last much longer that one season. Extremely frustrate.