One way to deliver a marketing message to your customers and prospects may be through your point of sale. With the right approach, this can be quite an effective solution.
You can give out at purchase individual special offers, special stickers pasted on packing of goods, collect contacts in exchange for the card of discounts or a gift or participation in a lottery or drawing. The placement of an advertising message on the receipt works perfectly, if you have a lot of sales, the coverage will be large enough.
In the case of advertising special offers on checks, you can in your store to start selling a very profitable product (frontend), increasing the number of purchases. Buyers will come for this product, buy and receive your special offer.
Also, a good method can be a draw or lottery among buyers with valuable prizes and a holiday. This can very well stimulate sales growth, audience engagement and recommendations.