There is no doubt that affiliate marketing is profitable business model. You, a an affiliate, have nothing to worry about product development, market testing, delivering product and answering questions. As an affiliate your main task is to drive traffic to the offer you are promoting. If you get the best traffic source that you can tap into and drive massive e targeted traffic to the offer, it will convert.
This is the main reason why affiliate marketing is so profitable. There is no limit to what should be your ad spend. If you spend ten dollars and get in return fifteen, will you keep on doing the same thing over and over again? I thing we all agree that everyone will do the same. But to take your profit level to the next level you have to be careful on how you select your affiliate products.
Some think promoting high-ticket items is a waste of time as visitors will never buy that product. But in reality, all products sell well as long as we get the right customers to promote to. So, why spend so much time, money and resources just to promote a $10 affiliate offer? You will probably get 50-80% of the sale, but that will do nothing to change your financial situation.
Go get products that are selling for more than hundred dollars or get some that have a reoccurring bills and promote them for better commissions. Once you start to master the art of driving paid and free website visitors to your affiliate offers, you are on your way to see a huge affiliate marketing profits. This is what the most effective online marketers do day in and day out. They want to spend most of their money and energy on things that give them the highest profit.