I think you could make a living of this. If you can crank out 160 of them a month, which is roughly 8 per day, I think you could sell these for $20 each. $19 profit if you do it all yourself. Just gotta make it trend on whatever social media. Eventually the orders will drastically outpace your production, but financially I don't see the business as being profitable if it tries to scale to demand. It is absolutely a small business, but I think as a 1 person business it's a viable highly profitable business.