Is There a Need for a Thing That You Plan to Sell as a Solution?

The idea of inventing a need for a thing that you plan to sell as a solution. The by far most well known example is the concept of halitosis, which is the dressed up name for bad breath. It can be incredibly expensive and also incredibly questionable as to whether they actually do what thy're suposed to do or not. Yet. And when we get to the idea, i mean, it's vellun but its brilliant, the idea of creating your own 'solution'