I've only looked at one of your products, but one problem is your description and lack of tags. No one will be able to find your item if it doesn't have appropriate tags.
For example, a ladies t-shirt with an abstract floral design simply has 3 tags "t-shirt" "for" and "women". Zazzle already knows it's a t-shirt, and also that it's a ladies t-shirt. The tag "for" doesn't mean anything.
Additionally, your description looks as though it has been written by AI. Ironically it includes hashtags, but these tags are in the wrong place, and there's no need to run the words into each other. Put them in the tags field, and seperate with a comma. You can have up to 5 words in each tag.
I only see ten products in your store. And to put it as gently as possible, I don't think you're understanding how things work. For example, this wedding invitation - it's one flattened graphic so your possible target is limited to couples specifically named Benjamin and Samira who are getting married Dec 22, 2030 at 7pm. Your other three invitations are the same way. You're not going to ever have any sales if you don't take the time to learn how the platform works.
