But thats not what he is saying.
The instructor charges $300 for the belt that he awards because the belt is expensive. He wants to purchase the black belt and give it to the the instructor to award to him after the text to save money.
I've heard of expensive belts but nothing in the range of $300. If he wants to buy his own belt to wear after he earns the rank than as I posted earlier, there's
Martial Arts Supplies | AWMA
And if you want a more high end belt there's
Tokaido, The Worldwide Standard, Karate Uniforms, Black belts, Embroidery, Customization, WKF Uniforms, WKF Products, Separates, Novelty Items, Do-Gi Origin, Direct from Japan
Their belts are of high quality and are quite expensive although nowhere near $300.