EPC stands for Earnings Per Click in the JVZoo affiliate network. It tells you how much money you can earn on average from each click on your affiliate link. You can see the EPC of a product when you check the affiliate details. The EPC is calculated by dividing total earnings by total clicks. You can use EPC to measure a product's performance. High EPC means the product is converting well. You should look for products with high EPC to maximize your earnings. You can track your EPC over time to improve your marketing efforts and optimize your strategy.