This article connects acquisition, conversion and retention into one ecommerce...

https://touch-wiki.win/index.php/How_to_Decide_Whether_to_Pull_Back_on_a_Channel_That_Looks_Good_on_Paper

This article connects acquisition, conversion and retention into one ecommerce system. It shows how teams can track CAC, AOV and repeat purchases together—and where WhatsApp or Slack connections fit—so each marketing decision supports the next.