Good advise! Had one of the nurses I work with going home on the interstate day before yesterday - had her FRONT wheel come off while traveling at 75 mph. Luckly she was able to control the vehicle and pull safely off the road. Shaken and crying but safe. I asked when the last time she had work done on her tires / wheels and she said that her husband took it to a Walmart tire center a few days before. Just goes to show you that double checking others work is unfortunately a sad fact of life any more.