Make the economy class product a ‘locomotive product’. The ‘locomotive product’ is the product that attracts the most attention. In this case, it will attract attention by its price. This price can be mentioned in the advertisement as it is lower than its counterparts. For the sake of the ‘locomotive product’ customers will come to your shop from other districts, attracted by the price in the advertisement.
However, the characteristics of the economy-class product are usually inferior to those of its more expensive counterparts. For this reason, the ‘locomotive product’ serves only as a ‘bait’, but mostly will buy its analogue from the price category of comfort class. It is for this reason it is recommended to place the goods of economy and comfort classes next to each other: buyers will be attracted by cheap goods, and after an objective comparison, - choose the more expensive. Here you should also place the goods of elite class. Most likely, it will be bought very rarely because of the high price. Elite class goods are placed in the showcase for the sake of forming the image of your point of sale. People like to feel that they belong to something elitist. Seeing expensive high-end goods in your shop elite, customers will think that someone is buying them, since they are presented here, and that means that this shop is not some cheap. Even though most visitors don't buy high-end goods, they feel good that they are visiting and shopping in a shop that sells such high-end goods. In addition, even if the high-end goods are sold at least once a year, it will generate a tangible profit.