The first thing I'd do is e-mail people who are cancelling and ask them the reason. Upselling current customers doesn't really stop the churn, and a 50% drop ra

The first thing I'd do is e-mail people who are cancelling and ask them the reason. Upselling current customers doesn't really stop the churn, and a 50% drop rate means there's something seriously wrong. Asking people nicely will get you a lot of answers, especially when there are so many people cancelling.