## Subscription Products | Tier | Name | Price | | ------ | --------------------------- | ------------------- | | High | Personal Executive Guidance | 999¥ / 99$ per hour | | Medium | ED Learning Community | 99¥ / 9$ per month | | Low | Public Newsletter | 9¥ / 0.9$ per month | ## One-off Products 小鹅通音频课 Book / Interactive Media Deep Summary 单独购买 实体 Quote Cards ## Free & Open-Source personal knowledge base personal newsletter (friends only)