Duplicate website - please help ! !

Hello guys- hope you are well.i need your advise,help would be appreciated as i am a newbie.sorry ?! i have opened an account with amazon and created an a-shop.but as u know,the wesite is just another duplicate.i have a domain name,so how do i go about linking the domain name to the a-shop without any reference to the a-shop showing with regards to SEO?do i create a website pointing it to the the domain name but have links to the a-shop within the website? i will be extremely grateful for advise here.thank you in advance