Some of them are evenly distributed throughout the store.
Some are based on personal sales performance.
The commission for gold and platinum is very low, usually a few thousandths of the sales.
The commission for Mosaic and 18K is a little higher, usually about a few percent, but not more than 10 percent.
Whether the salary is high or not depends on personal strength.
Requirements, it is best to have the eloquence of "the dead can be said to be living"