Cost per action/sale methods require that referred visitors do more than visit the advertiser's website before the affiliate receives a commission. The advertiser must convert that visitor first. It is in the best interest of the affiliate to send the most closely targeted traffic to the advertiser as possible to increase the chance of a conversion. The risk and loss are shared between the affiliate and the advertiser.
Before you start building your sales funnel, it is essential to have a clear business vision, develop a marketing strategy and then define your target audience to work towards your business growth. If, for example, you are looking on how to create an online clothing store, you need to follow specific steps to develop your business and stay successful.