create list and write reviews and follow people. I add to a list every time i make a purchase from amazon. helps me stay active
Sign up for their rewards program. Create helpful shopping list, Share them on various social media platforms to be known, Write reviews, Comment on other's peoples list actively which are of your interest, Follow people, shop through shopwell and if you can spare some extra time you can even write articles about various products.. Hope this helps.
Make list, write reviews, share share share on every site possible.