Promote it! I'm still learning this myself. I used to put links on FB and Twitter once a week and wondered why I wasn't getting any sales. Well duh... I wasn't promoting nearly enough and even now I don't think I am.
It takes a while to get noticed but if you keep reminding people what you do and where they can buy your goods then I think it helps. SEO is is important too and that's another thing I need to get grips on but will give you a better chance of showing up in searches.
Also I found a few give-aways always attract people if you can afford to do it.
Here's one of my Mother's Day cards I've been working on - for all UK buyers it's on the 10th March -
https://www.etsy.com/listing/124377238/i-love-my-mummy-just-like-you-mummy