I ordes free 30 day trial and paid shiping of $1.99 but a week later I was charge $79.96. I send them a E-mail and this is what they said.
The add an the web said 30 days not 15. I try calling but they keep me on hold for one hour and a half.

We are sorry if you felt unaware of any membership fees; we do our best to ensure any fees are disclosed and made well-known before you are billed.

When you ordered Nature's Acai you entered in to a free trial period for 15 days. Several times in the process, you were told that, if you did not call us to cancel future shipments within the Trial Period, your membership would continue and you would be billed $79.96 for future shipment as long as you desire to receive it (until you call to cancel.)