What is the most attractive activity of opening a supermarket?

I suggest starting advertising half a month before the store opens, such as banners, hanging on the main roads of the town, promoting posters, and putting up large posters in densely populated places; Three days before the store opens, we will release the promotion news (if you are in a big town, you can get a few cruise cars to promote it according to your actual needs). When opening a store, it is generally an activity to give profits to customers with low profits, or it can be given as soon as you buy it, such as buying 58 toothpaste, 68 towels, or 88 rolls of paper.