Knowing your target customer is the most important job of any salesperson, and it's a job that never ends. While it's something you should work on every day of the year, it's essential to document what you've learned about your customer throughout the year. One thing that people often overlook about a good growth marketing strategy is that acquisition and retention are equally important. Look, traditional marketing is all about that acquisition.
Get customers in, then move them to sales and dust your hands. Both aspects have their advantages, but when defining your growth marketing strategy, you'll want to figure out what to focus on.