Google Adwords can be used to drive targeted traffic to a sales page. You simply make an ad in your adwords account then use your affiliate link in the target page URL of the ad. Obviously, you will have to continuously measure the conversions and see if the campaign cost is less than the campaign profit in order to keep the campaign running but I am sure you get the idea.
On the other hand: the main reason of bankruptcy for small businesses is bad financial management. Simply said: to forget to make invoices, not checking the payments and not following bad payers. 1 out of 3 is going bankrupt for this reason alone. I had to learn it myself. I spend at least 10% of my time with financial stuff. I don’t love it but the bills get payed ;-)
This is important in the framework of not just affiliate marketing, but in marketing anything online, especially when the products are your own products and you're not just receiving a commission for selling them. Clearly, you need to build emotion around the entire process. In another words, you need to create an emotional attachment to every stage of the sales funnel.
Affiliates may only post affiliate links on social media feeds they operate in line with their website URL, such as Instagram, Facebook, or Twitter. Affiliate links are prohibited on some social sharing sites, such as Pinterest and Tumblr. When posting content outside of Etsy, it is the Affiliate’s responsibility to follow each site’s policies on affiliate link