THE ONLY INCONVENIENCE IS THE CUSTOMER!
PRECONCEIVED IDEAS:
* Customers never turn up when you need them.
* Customers never show up in sequence, but
always at the same time.
* Customers know everything better.
* Customers never have time.
* Customers touch everything.
* Customers do not know what they want.
* Customers treat salespeople like servants.
* Customers always want to haggle.
* Customers are not loyal.
* Customers are ungrateful.