(Opinion)Like eBay or any other online store Quality picture, good title, something in demand with few competitors. Advertising. Iv sold things where I put an amazing picture and instead changed it to a plane white background with the items stamped on their like a typical boring eBay nail and my sales went up. Not sure if it had to do with that but I kept it like that for now on

Promotions and discounts. Holiday sales. https://www.cuppa.so/post/the-ultimate-guide-to-mastering-client-acquisition-2023

Gift items. Etsy seems very seasonal for us. If you’re not busy in the next month then it may not be the platform for you.

Better to ask in an Etsy subreddit.