First, online, if it is a group purchase, it is basically greedy and cheap, with poor quality and difficult to serve. Ignore these greedy people. If it's takeout, it's your more accurate customer. Make good use of it.

The second is the customers and old customers who come into the store to taste at will. You are in a dull state now. There are three ways to help you.

Third, there are many other methods, so let's not talk about it. You should think about these and use them in your business.