Working for an item design and development firm, I've witnessed many inventors asking to leap right into a how to build a prototype with InventHelp from other sketches. Although this may seem like a simple way of getting in to the market, it fails in one extremely important aspect: Sales. http://louisunfy37148.thezenweb.com/Prototyping-something-Before-Proper-Design-A-Recipe-For-Failure-31348645