Hi I am Vimal. I am drop shipping expert. I read your description and I assure that it will works. But you will be facing problem like out of stock soon. Because amazon products may sale faster. So in that situation you have to sale your product for loss. And you can also earn high profit with your idea. If you are ready I can build you a big amazon store. I am expert in listing, uploading, optimizing and order processing. I can also give you more ideas if you hire me.