Upgrading ← Knowledge Base Why should I upgrade to a paid account if I can use it for free? How much does it cost to upgrade? I am trying to upgrade and it is not working. What's wrong? Will I still receive faxes with my fax number after the 30 day trial? If I upgrade am I still required to receive a fax every 7 days to keep the same fax number? Why do you sometimes need a copy of my card for authorization?