A product launch can be extremely easy or it can be complicated beyond expectation.
For example if you are simply creating a product based on a variation on a non-patented product it may be fairly easy to launch the product. This is often seen with candy, baked goods and other edible items.
There are numerous companies on the web that revolve around confectionery items including brownie, cookies and candy.
Obviously there may be other issues you need to address with the preparation of these products, but the actual launch of the product may not require significant research and development.
If your product is distinct and related specifically to an entirely new product you are developing you may want to spend the time needed to file a patent on something that either does not exist or is an improvement on an existing application. You will also spend significant time (and perhaps finances) in the research and development of your all-new product. This is essential in assuring yourself and your potential consumers that the product is not only new and distinctive, but has been tested to demonstrate quality and longevity.
Perhaps the easiest way to...