Wix webshop customization -- 2

I am looking for a minor but tricky customization for my wix website. This require someone with good experience with Wix. I am not sure if this is technically possible, but if it is, I would like to modify current Wix website so that customers can make reservations for my subscription type of product. My subscription product starts from April to next March 12 months. Currently, if customer buys the subscription in Feb, subscription payment also starts in Feb, which is unmach when my product arrive first in April to next March. I want to take order from my customer without instantly charging them. Can somebody help me?