Absolutely! Your ebook acts as the “gateway to your eco-system”. Now that you have a paying customer, the liklihood of them needing more help (i.e. give you more money) is quite high. This allows you to sell more books, trainings, courses, coaching, consulting, speaking, masterminds, retreats, etc. Per a recent study, the probability of selling to an existing customer is 60% to 70%, while the probability of selling to a new prospect is just 5% to 20%