web designer and developer

My business is selling Japanese books to the schools, teachers and the learners of Japanese. I would like to add the followings, and functions you can suggest to improve my business.  E-commerce payment system - Working out the total amount of book cost and postage cost (cart) - When receiving orders from individual customers, send automatic reply saying ‘Thank you for your order…. We will process the delivery for paid customers. For school order, automatically issue an invoice -> send the invoice to customer’s email (is it possible) - Linking with SENDLE for mailing  Establish Google Analytics and Google Search Console, including a submission of a sitemap (key words: Japanese, Japanese books, children’s book, cultural books, photo books, Japanese readers, Earle sensei’s Japanbooks)  Sign up button to receive  Prescribe button to  Feedback and comment from customer page or section  Link the website to social media (what social medias are recommended to have?)  Search product button (using topical key words e.g. family, children’s day etc) Please give me a quote.