Ideas for concepts have many origins. Your friends and neighbors have always raved about your BBQ ribs, with that incredible sauce, mom's homemade lasagna recipe, salsa chili pizza, or some variation of a product that is not currently available. Others take an existing concept and tweak it, altering the service, design, production or delivery.
Passion is the core here. The idea can have many origins, however you must bring passion to the table to begin the journey. The idea needs to consume you thoughts, energies, dreams for it will most certainly consume your resources so if there is no passion, do not do it. Passion will get you through ‘Seth Godin” The Dip”