Be sensitive to what you really want/need. If you pay enough attention, most of the time, there won't be a products/services that 100% satisfy your own want/nee

Be sensitive to what you really want/need. If you pay enough attention, most of the time, there won't be a products/services that 100% satisfy your own want/need. Write your idea down, start your sentence with "What if..." Then try to forget about it. Great ideas tends to come back and haunt you every day and night. When they do, you know what to do (or find out how!).