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Your order will be shipped within 2 business days (shipping and handling is free). By ordering today, you'll automatically receive a new 1 month supply of Optimal Stack each month after your initial supply from today's order is exhausted (for example, if you order a 5 month supply you will start receiving 1 bottle per month on month 6). Future shipments will conveniently be charged (at the low discount rate of $48 for 1 bottle) to the card you provide today unless you call to cancel. To customize or cancel this program, call customer service anytime at 1-866-973-6587.