*Pay Per Call for affiliates I've heard people suggest you should really use paid advertising for this, and I've even heard a staff member of peerfly suggest that free advertising "sucks" and that paid forms of advertising, when done properly, will make you a lot more money.
Yes and no. Just like with any other form of advertising, paid advertising can be nothing but a waste of money. Ultimately, it will all depend on the type of the product you're offering, your advertising campaigns and the mode of advertising you're using. If you ever try paid advertisement, tread the water carefully. Learn everything you possibly can about your niche, mainly, what the conversion rate is for those who sell the same product. If it's less than 10% I'd be inclined to think their ROI isn't all that high.