I think the logical thing would be to buy 3gals of juice in 1gal jugs. Toss that into a bucket and add a little yeast, nutrient, etc, and set aside. Then clean those jugs and use as primary w/ airlocks for the stuff ready. Repeat every week or so... You'll never run out that way!!!!
Primary: Sparkling White Grape Peach Wine
Secondary: Coco-Strawberry Wine, Pumpkin Wine, Apple Cider
Bottled/Aging: Pear Wine, Strawberry Wine, Blueberry/Blackberry Wine, Mixed Berry Wine (Blueberry, Blackberry, Strawberry, Raspberry, & Cherry), Jalapeno Liquor, Skeeder Pee