hello, what should one do if his newly renovated house was on the market for over a year, had at least 3 price drops and went through 3 different brokers?

I was wondering, how does the big box stores like The Home Depot or Lowes hire their "tech" people?I mean, if you work at the plumbing aisle and are giving out advice to DIYers aren't they suppose to have some clue on...