Blue tooth Headset Store

I am thinking of starting up a business and I want my business to be centered on different types of gadgets because I know for a fact just how useful they are and how much more useful they would be in the not so distant future. For this, I am thinking of selling various items for my gadget store like a blue tooth headset.There are a lot of options when it comes to a blue tooth headset that is why I am doing my research now to make sure that my store will provide a lot of options for my future customers. I am very much willing to invest a great amount of money if only that will ensure the success of my soon to open gadget business out there near my area of course and later on I might open a store online as well.