Hii i'm Ali
I'm really new to etsy too so i'm not really the best person to ask and it's not really general advice, but I find you can look it up on google there's tons of great blog posts and stuff with good tips and advice.
Here's what I think:
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But one thing that really stands out is the photo quality of the vintage red button up nightgown with peter pan collar, its kind of dark. Personally I think your on the right track but as I said, not really the best person to ask...
And byee
~Ali