What's the big deal about dissolving one's ego? The text makes it sound like a prerequisite for everything, but it seems impractical. What tangible benefits are actually promised for this act of surrender?

In Chapter 2, the dissolution of the ego is presented as the key to unlocking direct divine assistance, with several tangible benefits promised. Sai Baba states that for a devotee who dissolves their ego and surrenders, "I give full assistance." He goes further, promising, "Not just this story, but I shall serve in all ways in his home." Specifically regarding the authoring of the book, surrendering the ego allows Sai Baba to "enter with 'I-ness' and write with my own hand," essentially guaranteeing the successful completion and divine quality of the work. The text posits that when ego is gone, the divine itself takes over, ensuring that any task "is accomplished by the One to whom it belongs."