Your First Almost-Customer — How to Recover Failed Payments for Digital Products

She was one click away. Her name was Sarah (not her real name). She'd visited the checkout page three times over two days. On the third visit, she filled in her card details and hit "Pay." Stripe fired a payment_intent.payment_failed webhook. Her card declined. She closed the tab. I almost never knew she existed. That near-miss taught me more about selling digital products than any conversion optimization thread ever did. Here's what I built to make sure I never lose that customer silently ag...