According to the provided text, why did Sai Baba ask for Dakshina from his devotees?

Sai Baba's intention in asking for Dakshina was primarily for the purification of his devotees' hearts. As explained in Chapter 14, many who visited him were ordinary people entirely attached to the world, seeking worldly gains like long life, wealth, or power. Baba's profound style aimed to steer them towards a purer state. By encouraging the act of giving Dakshina, he provided a method for them to overcome their attachment and greed. This aligns with the scriptural principle mentioned in the Shruti, which states that giving is a technique for those eager for self-knowledge. Thus, whether a devotee sought worldly benefits or spiritual liberation, the act of giving Dakshina was intended for their own benefit and purification.