What do you mean by 2% gold rush?

Gold panning is the virtual point of Taobao shopping. Gold digger users can get free goods through redemption and lottery, and can also deduct the price of goods when shopping. What does the next gold investment editor mean when he introduces the gold rush to 2%?

2% gold digger means that when shopping through Taobao, gold digger can deduct 2% of the commodity price, provided that part of the shopping cost is saved. Generally speaking, 100 gold coins can be deducted 1 yuan. If the commodity price is 200 yuan, deducting 2% gold coins means that 4 yuan can be deducted with gold coins, which requires 400 gold coins.