I've felt a little culpable that we entrepreneurs often invent businesses just to drive people to buy more things.
Walmart and other big-boxers could become the center of gravity for the conservation of goods, employ people with actual know-how, and develop deeper, longer term, more profitable relationships with their customers.
Try out lots of different options early in your career. Then watch the responses: how you feel, what the market values, what people appreciate about you. It's the only way to find work that's uniquely right for you.
Those projects most successful on Kickstarter - those that receive funding completely and quickly - do so largely because the creator has a strong social network and invites people to be engaged.