a list of customers (or buyers) is a lot more valuable than a list of prospects. In my personal experience, a person on your buyer list is worth 10 to 15 times what a person on your prospect list is worth. This leads to a couple of key points. First, you want to try to move people from your prospect list to your buyer list (and incidentally, a PLF-style product launch is the best way I’ve found to do that).
