If you choose to upgrade your plan, and are unsure of which plan would best suit you, please feel free to visit our website at www.cfdynamics.com. If you are having a hard time choosing a plan, or have additional questions or concerns, do not hesitate to contact customer service (as sales and customer service are the same department.) You may contact customer service at 866-233-9626, or send us an e-mail to customerservice@cfdynamics.com. Upon choosing an upgrade that suits your needs, please send an e-mail request to support@cfdynamics.com.