I used to earn very little from Etsy last year (2014) until I decided to take it seriously. Take a look at my 2014 VS 2015 earnings. Here are some various methods I've tried that tripled my ETSY sales this year.
"How to Write Product Descriptions That Sell" from my Small Business Marketing Blog at http://attention-getting.com. Be sure to also check out my services for Etsy shops at https://www.etsy.com/shop/AttentionGetting.