When I comes to promoting products. it is not all forms of advertisements that can be used. We make adverts to make profit from a product. If the amount of money spent on ads is more than what is gained from the sales of the product, then the ads type is not good to use. TV and radio ads are costly, the two options is not good for online productsProduct advertisement can done in different ways such social media (Facebook, WhatsApp etc.), you can do posters/flyers, promotion, jingle on radio & TV. Through referrals you can advertise.