I am an Industrial Engineer.  Just to give you a point of reference.  After each usage, vac was cleaned and dried before storage.  Used about every 2 weeks for spot cleaning and sometinmes 1-2 rooms. No pet hair. No excessive dirt or debris to clean up.  First, the lower corners can not withstand normal impact with chair legs or the occasional furniture bump without cracking. Repair shop wanted $70.00 for new parts.  Pah! 5 min epoxy and carbon cloth to repair and reinforce. Held up better than before. 4 months later, the holding tank started leaking and had spiderweb cracks everywhere. Bought...