In 90 day I can do that. In the beginning I had a book that 50 people bought, and based on thise sales I continued to sell. Not a lot, but one to three a week. Hopefully this will amount to continued sales over a long time
I'm studying Indian culture because the female mc in my next book is a Indian Muslim converted to Hindu. I started research where I start all my research, with food :) Aruna is a friend from a writer's group, and it was purely coincidental that she released this at the same time I see you're Indian....
Try the 5 day free download on Amazon. It was very effective for me with my first book. (1,000 sales in the week after) The second ended today, so I'll let you know if it's a similar experience in a few days