I will find a winning product for your Amazon FBA store, that has good demand and has low or medium competition. However, big investors can go for a product with good competition as they have the money back up to compete with established sellers. I would suggest you most suitable product research depending upon budget, profit margin, competitor and Preferable Categories to go for. My FBA Product research will include Main keyword analysis Please contact me before placing the order if you have any custom requirements. Thanks