Creating a shopify store including product search, product listing on the website, website design, and digital marketing administration

I would like to have a shopify store with at least 100 products in it. The search for profitable products with high demand and listing the products ln the website is aswell part of the job. the whole website design. should be also included. Afterwards it would be great if the whole Digital Marketing Google/ Social Media can be aswell managed for a monthly cost. Website should be premium design.