Etsy SEO Listing Rollout

I run a leather-jacket shop on Etsy. Twenty designs are already live, but they are barely getting views; proper keyword research was never done. Over the next month I want to bring the shop up to 120 products and give every single listing the visibility it deserves... (Budget: $30 - $250 USD, Jobs: Content Writing, Data Analysis, Digital Marketing, Etsy, Internet Marketing, Keyword Research, Link Building, Market Research, Marketing, SEO)