So you have invented a gadget or a process that would be useful to society and you want to make money out of it. What now? Commercialise it!
Commercialisation is the process of introducing your product or service into the market. It is about turning your invention into a business opportunity. Commercialisation can take different routes, two of these being: starting your own company or licensing your invention to another commercial entity.
Key in whatever route you take is ensuring that your Intellectual Property (IP) is sufficiently protected and therefore you have legal recourse should anyone try to copy it.
Do not despair. There are organisations that specialise in helping inventors bring their ideas to market and it is a good idea to engage their assistance instead of trying to go it alone.