Shopify Store Marketing/Promotion/Quality Check

Need someone to quality check my Shopify store. Make sure store front and metrics are presentable/appealing so I can launch the store to start selling. Store products need to be advertised on TikTok and Instagram as well. I want to get as much traffic as possible to my store to start profiting. I also want advice on what needs to be changed, marketing strategies and what better products to add to my store see more sells.