ASF:
You should have paid with a credit card.
Reason #1: You can cancel payment and leave him the onus of finding a quality product you ordered.
Reason #2: The businessman knows that you won’t pursue him in court. Because the first question his lawyer will ask is what are you doing with $1,300 CASH in your hand? Implying that you aren’t all that kosher yourself.
The business owner is a jerk but your ability to recover anything is nil.