While user acquisition is important, a 1% improvement in customer monetization or user retention will have 3-4x impact on bottom line over user acquisition. Interesting talk from Patrick Campbell at Price Intelligently.
[SaaS Metrics, Patrick Campbell, Price Intelligently.]( http://businessofsoftware.org/2017/08/saas-pricing-consultancy-gives-away-free-software-patrick-campbell-profitwell-bos-usa-2016/?utm_medium=social&utm_campaign=Freesoft&utm_source=BootStrapped)
Yes because in most cases is always simpler/cheaper to sell to existing user than trying to get a new one