What are the core messages and teachings conveyed in Chapter 49 of the Sai Satcharitra regarding the Sadguru and the path of devotion?

Chapter 49 of the Sai Satcharitra delivers several core messages about the relationship between a devotee and their Sadguru, Sai Baba. It emphasizes that a true devotee is one who is completely free from ego and bodily pride. The chapter establishes a clear spiritual hierarchy, placing meditation on one's Guru as the supreme practice, even above penance and singing God's name. It also explores the author's inner drive to share Sai's stories to multiply the spiritual bliss. Ultimately, the chapter powerfully concludes that while the Sadguru's greatness is inexpressible, the 'love for the Guru's feet is our only true wealth.'