InventHelp works with a wide range of inventions, from simple household items to complex tech gadgets. They help inventors across different industries, including health, lifestyle, electronics, tools, and more. 

The timeline varies depending on the complexity of the invention, the patenting process, and the marketing strategy. It could take several months to a few years to go from idea to commercial product, but InventHelp aims to keep things moving steadily. 

No, you do not need a finished prototype. InventHelp can assist you in developing your prototype based on your sketches, descriptions, or early models. Their team helps bring your concept to life professionally. 

Yes, InventHelp is particularly well-suited for first-time inventors. Their services are designed to guide individuals who may not have experience in product development, patent law, or marketing. 

Costs vary depending on the services you choose, and InventHelp will discuss payment options with you during the consultation. Some services may require upfront payments, while others might be structured in stages.