Yes?
Great! Prove it.
Unsure?
If you have never done this before, you are probably wondering how you're supposed to answer these questions. How do you know your idea is cost effective to produce until you produce it?
You are going to have to find out. A good idea must be viable, effective and safe. It must be produced for reasonable cost and effort. There must be market demand and limited competition. Marketing must be affordable and the product profitable.
As you can see, getting an invention to market is complex. It is going to cost money. You will need financing. To do that, you need to show investors or lenders evidence of your product's feasibility and potential profitability.
How?