I would ask lots of questions before making any kind of commitment! Lessons are available at community centers, so I would want to know what her expectations are. What does she want to learn? What is her timeline? How proficient does she expect to be? Where and when does she want the lessons?
About the tops--what patterns? How complicated? What timeline? What size?
Get the idea? Do not over commit, nor under charge! This can get out of hand real fast.