Don't. Preserve your dignity and integrity as a creator by either improving your product such that it has some qualities making it marketable, or by scrapping it altogether.
Maybe my personal stance on this is somewhat extreme, but I think that selling products that are essentially garbage is simple exploitation, ethically reprehensible and adding marginally to the set of problems afflicting our species. Focus on making the world a better place.
No lack of dignity in doing things for the sake of doing them. The way these projects tend to support themselves is by getting word of mouth along with decent positioning in various distribution channels where people will actively seek them out.
Maybe my personal stance on this is somewhat extreme, but I think that selling products that are essentially garbage is simple exploitation, ethically reprehensible and adding marginally to the set of problems afflicting our species. Focus on making the world a better place.