Divi Sales & Website Optimization

I have a WordPress site running on the Divi Builder with a premium Loveley Confetti theme already installed. The foundational pages are in place, but before I start adding products, I want the site professionally tuned so it can sell from day one and rank well in search... (Budget: $250 - $750 USD, Jobs: Content Management System (CMS), Conversion Rate Optimization, Digital Marketing, HTML, SEO, Web Design, Web Development, Website Design, Website Optimization, WordPress)