Prefer Shopify with large catalogue theme. Selling many similar items in eCommerce site. Need to set up fully functional may need to customise theme for 2000-10000 items for sale. I can get a designer to make it look good if needed, just need the back end and functionality all connected ready to launch. With SEO in mind we need to ensure build ensures site will rank. This is a brand new site, there is no existing site.