Beware of These Risky Sales Tactics That Are Doomed to Fail or Backfire Every business owner can learn from the failed sales tactics of a defeated car salesman. Know what they are to avoid losing your sale. Previous Article This Major U.S. Metropolis Is Requiring All City Employees to Work In-Office 5 Days a Week Next Article 'I Am Your New Dumbest Friend!' Watch the Head-Spinning Pitch That Left Investors Stunned.