Hello Kelly,
Pricing can be difficult and confusing. I think it might be your titles, tags and photos.
I searched for purple wine glass art and your hibiscus glasses didn't show up.
http://www.etsy.com/listing/118786881/purple-hibiscus-hand-painted-wine-glassThink like a customer would what would you look for if you wanted a wine glass with purple flowers on it?
I know how time consuming taking photos are but try to make your shop look more cohesive through your photos. This shop has sharp pictures with white back grounds and everything pops.
http://www.etsy.com/shop/MaryElizabethArts?ref=seller_infoYou can also use the "rearrange your shop" button to keep like items grouped together.
I think your prices are fine. Watch this
http://www.etsy.com/community/online-labs The Art of Pricing it helped me a lot.