Flashing Lights

I am having issues with my pictures I am using on Etsy. If I use the flash it whites out most of the item and if I don't my products live in the shadows. I'm not reaching people like I would want to and I wonder if this is the problem. Some of these beautiful handmade items are just not coming acrossed in the pictures and no one will get to see them the way I do that way. Is it my camera?