Can it be sold profitably? Make a list of all the things you'll need to do to market and sell your product. Use this list to build a spreadsheet of your projected marketing, sales and administrative costs and compare these with your forecast sales for the new product. Use some simple calculations to work out how long it will take before your product becomes profitable.
Sometimes it makes sense to sell a product even if it doesn't make a profit! If your new product is very complimentary to existing products in your product portfolio and can be used to boost sales of these products it could still be worthwhile selling it email list. It may eventually become profitable on its own, or prepare the ground for another similar product that will be profitable (e.g. one you develop yourself).
Take into consideration all the factors identified in your previous research and don't forget to include some estimated costs for the effort and time that you and/or your work colleagues will need to put in to launch and sell your new product. What skills and experience must you have to sell it? If your product is a very different type of product from those you are currently selling you will need to get some additional help (staff or bought-in resources) with your marketing and selling.