Find examples to emulate in your specific niche. So even if you dropship gadgets, find brands that are selling gadgets successfully and see what they do. I personally like ads of:
https://www.facebook.com/ads/library/?active_status=all&ad_type=all&country=ALL&q=Snow%20At-Home%20Teeth%20Whitening&view_all_page_id=613958365368983
https://www.facebook.com/ads/library/?active_status=all&ad_type=all&country=PL&q=vigoshop&view_all_page_id=246232655918709
https://www.facebook.com/ads/library/?active_status=all&ad_type=all&country=ALL&q=Protalus&view_all_page_id=263682907118099
It’s best to EMULATE BRANDS, not dropshipping stores, so you differentiate from the competition
