How much you spend to win a single paying customer. Cost per acquisition (CPA) is a marketing success metric that can be calculated for a campaign, a digital marketing channel (such as email), or across all channels and tactics. At a campaign level, the formula is: total campaign cost / conversions (paying customers) = CPA. This metric is commonly used to determine the results of display ad and affiliate marketing campaigns.
3 Quick And Easy Ways To Build A Profitable Opt-In List
You finally realize that you need a good opt-in list. After reading countless articles and sought expert advices and have read many success stories of people creating a small fortune with opt-in lists you finally decide to have one of your own.