The only commitment I ask from you is a willingness to explore new ideas and how they might impact your teaching practice. There is no commitment to participate in any parts of this program or utilize any particular resource. You may find certain aspects of the program — the professional development, the curricular resources, the community support — more useful than others, and your needs may change over time. The Spark Subscription can be what you need it to be in any given moment.
On the financial end, the Spark Subscription is a subscription. When you join, you are agreeing to a recurring charge. That said, you have full control over your account, and you can cancel at any time by visiting your Account Page. Upon cancellation, your account will remain active through the end of the current payment period, but you will not be charged again.