Why is the operating cost of Tmall online store getting higher and higher?

There are many reasons for the high operating costs of Tmall online stores, including: Tmall platform costs, hard operating costs, soft operating costs, personnel salaries and bonuses, five insurance, travel, public relations, training, and the cost of goods and products. Among them, Tmall platform costs include Taobao Mall base fees, deposit + technology annual fee + sales deductions; hard operating costs include rent, computer equipment, furniture, filming, supplies, software, utilities, etc.; soft operating costs include promotional costs: through-train, drilling, Taobao guest, Tao outside, Taobao activities (Spotify and Taobao snapping up); personnel wages and bonuses, five insurance, travel, public relations, training; goods and product costs include new products and inventory products. Costs include new products and inventory products.