Cal here from Shopify, thanks for reaching out to us. Are you looking to receive some feedback on your store? I'd be happy to take a look and see what work you've done so far! Can you provide us with your MyShopify URL?
I'd also recommend checking out Shopify Compass, a new merchant's best destination for educational resources about Shopify. It will walk you through the steps of creating your own online store and getting your business up and running! It'll cover many of the essential facets of getting your business ready for the market.
Have you had any particular stumbling blocks so far that I can assist with?
What is your plan? Which niche are you planning to sell? There are some sources that can be help, you can check for Youtube tutorial, blogs, website, article, etc. I personally prefer this one, it provides much information, you can check this, hopes it helps: FireAps Blog - Shopify Tips