BUY 5 PAY 3 In order for the campaign to be valid, you need to buy a total of 5 of the products labeled BUY 5, PAY 3 included in the campaign. You can make your own combination from different products included in the campaign. The product with the lowest price among the products included in the campaign will be given as a gift. If you buy in multiples of 5, you can continue to benefit from the campaign opportunity.