Congratulation for your store. I have gone through your store and hope the following suggestion will help you.
1. Optimize your store loading speed for mobile and desktop
2. Need to work on design
3. Optimize your each product landing page
4. Use Custom affinity audience in Ads?
5. Go for specific audience as per your budget . Please do not go for broad area
There are other areas you need to work
Need help? Please contact us here: https://www.mswebdesigner.com/pages/contact-us
Thanks & Regards
MS Web Designer