High sugar, mass produced, unhealthy food isn't exactly super expensive. That's part of the reason why it's used so often and why there is the obesity "epidemic".
It's not like drinking a gallon of Orange Juice instead of a gallon of Pepsi is really much better for you. I think the Pepsi actually has fewer calories, and beyond the Vitamin C from the OJ, (which is not really that big of a vitamin since it has to be one of the easiest to get through any other foods), the OJ doesn't provide anything good for you since juicing it removes the part that makes the fruit 'good' for you (filling, with few calories). You are left with all the sugar and calories, and none of the 'filling'.