Can I automate cart recovery without expensive tools?

I've been running my Shopify store for two years now, and cart abandonment has been a constant frustration. Every month, I'd see hundreds of potential sales just slip away—people adding products to their cart and then disappearing. I've tried manual email follow-ups, but that's time-consuming and inconsistent. Traditional cart recovery apps are expensive, often charging $50-$100 monthly, which cuts into my already tight margins. The worst part? Most of these tools blast generic emails that feel impersonal and rarely convert. I'm a small business owner, not a Fortune 500 company with a massive marketing budget. I need a smart, cost-effective solution that understands my customers' behavior and can nudge them back without feeling invasive or desperate. My goal isn't just to recover abandoned carts, but to do it in a way that feels genuine and respects my brand's integrity. I want something that can intelligently determine why someone left—are they price-sensitive? Uncertain about the product? Distracted?—and then craft a targeted approach. If I could automatically recover even 10-15% of those abandoned carts without breaking the bank, it would be a game-changer for my business's profitability.