Based on the provided text, what did Sai Baba spend the money on when he first started accepting small coins?

According to the details provided in Chapter 14, when Sai Baba first started accepting small offerings, he would use the money for personal, simple needs. The text explicitly states that if someone placed a small coin before Him, He would use it to buy tobacco or oil. It is mentioned that He had a great love for tobacco and would smoke a bidi or a chillum, and that the service of this chillum was an immense and constant activity, with it rarely being without smoke.