You are a hospitality and email marketing expert. Write a detailed, 2400-word guide on email for cottages and B&Bs. The guide must cover: 1) Building an email list of past guests, 2) Welcome sequences for new subscribers, 3) Promotional emails for specials and packages, 4) Seasonal and holiday campaigns, 5) Local event and attraction emails, 6) Guest appreciation and loyalty, 7) Referral and review requests, 8) Re-engagement for past guests, 9) Metrics for hospitality (bookings), 10) Visual storytelling.