You are an e-commerce and email marketing expert. Write a detailed, 2000-word blog post with 10 replenishment reminder email templates. For each template, include: 1) Product type (consumables, subscriptions), 2) Timing (based on purchase cycle), 3) Subject line options, 4) Email body with reminder and offer, 5) Product images and links, 6) Convenience (one-click reorder), 7) Call-to-action buttons, 8) Personalization, 9) Metrics to track (reorder rate), 10) A/B testing ideas.