How do I manage campaign start and end dates for abandoned cart recovery?

As a Shopify store owner in the fashion e-commerce space, abandoned cart recovery has been my perpetual challenge. I'm constantly battling those frustrating moments when potential customers add products to their cart but mysteriously disappear before completing the purchase. My current setup feels like a shotgun approach—generic reminder emails that lack personalization and urgency. I've tried multiple apps, but nothing seems to capture the nuanced psychology of why shoppers abandon their carts. Some days, my cart abandonment rate hovers around 70%, which is bleeding my marketing budget dry. I need a strategic solution that doesn't just blast out generic discounts but understands each visitor's unique purchase intent. More importantly, I want control—the ability to schedule campaigns precisely, target the right audience, and create genuine urgency without seeming desperate or overwhelming my customers. My dream solution would allow me to design time-sensitive, behavior-based campaigns that feel like a helpful nudge rather than an aggressive sales tactic.