Customers are the lifeblood of every SaaS business. Customer acquisition, monetization, customer lifetime value…these are the things that tech entrepreneurs wake up thinking about and obsess over until they go to sleep at night.Customer retention, on the other hand, tends to get lost in the startup shuffle. But this shouldn’t be the case. Retaining customers is equally, if not more, important than customer acquisition, especially when you don't have many to lose!Business revenue streams f...