Labor costs can be taken as one person can handle never use a second person. Commodity profit and loss is the main cash flow, if the cash flow is good, it is the best open source, more training staff of this kind of awareness, goods enough to sell, do not run out of stock on the good, in addition to a few promotional items do not increase the inventory, the rate of bad goods on the high rate of emergence of such a profit and loss costs are high.

Sales costs are shopping bags, now with the national policy, can be promoted down. The utilities can be replaced with a new master control system, but it's going to cost a fortune. Promotion is a way to open the flow, you can ask more suppliers to giveaways, they can also do some ultra-low price promotions, you can lose some money, can attract popularity to have business.