Yeah, you can basically do this with any packaged product: Why buy yogurt when you can make it yourself? Why buy salad dressing when you can make it yourself?

Yeah, you can basically do this with any packaged product: Why buy yogurt when you can make it yourself? Why buy salad dressing when you can make it yourself? Why buy soy sauce when you can make it yourself? Why buy hot sauce when you can make it yourself? Why buy canned food when you could can it yourself? Why buy soy milk when you can make it yourself? Why buy salsa when you can make it yourself? Why buy mayonnaise when you can make it yourself? Why buy tomato sauce when you can make it yourself? Why buy soup mix when you can make it yourself? Etc. It's a matter of personal taste, cost, convenience, time, resources, skill level, shelf life, day-to-day diet, etc.