If OP believes in the idea, has domain expertise in it, and has some validation, why not pursue it? Everything comes with risk.
The alternative is waiting years, potentially NEVER to find a perfect, 100% risk-less (which doesn't exist, btw) startup idea that will help him become very rich.
The alternative is waiting years, potentially NEVER to find a perfect, 100% risk-less (which doesn't exist, btw) startup idea that will help him become very rich.