3 Steps of the successfull development
1. Prove the concept
The first step of successfull development is create a prototype to proof-of-concept. The importance of creating a functional prototype is to perform a basic test with reduced risk and cost.
2. Prove the possibility of selling.
The next step of development is create a salable prototype. You will need to produce small numbers of your product for market testing and getting feedback.
3. The profit.
Finally, you can focus on profit! you'll need to produce this in volume, just as you'll need to produce at the lowest possible cost without leaving quality and functionality behind.