Help with my Amazon seller central account

Hello, we have been selling our product on Amazon and it has been selling great. We have 3 ASIN's and need help adding two more ( it's the same product just different colors and different amount). Also, Amazon is giving us recommendation on our front page of seller central and we would like help in exploring these recommendations. One of the recommendations is for us to sell our product in different countries, we are only selling in US right now. And lastly, if we sell in another country we need help in setting up our manufacture to ship our product to that countries fulfillment center.