Determining the value of a customer based on data such as your average sale is important information to know when you are measuring the return on your marketing investment. But, if you take the time to figure out what the life time value of that customer is, you have the power to make better, more informed decisions about your marketing budget and ways increase that LTV to dramatically impact your business. Check out this post from John Jantsch over at Ducttapemarketing.com “Life time value, now there’s a number I love!”