Yes, there are several online courses available that can teach you how to set up an ecommerce store successfully. These courses typically cover various aspects of starting an online business, including selecting the right products, setting up a website, marketing and advertising strategies, managing inventory, and customer service. Here are a few popular online platforms where you can find such courses:

1. Udemy (www.udemy.com): Udemy offers a wide range of courses on ecommerce and setting up online stores. You can find courses taught by experienced instructors covering topics like Shopify, WooCommerce, Amazon FBA, and more.

1. Coursera (www.coursera.org): Coursera partners with universities and organizations to provide online courses. You can find courses on ecommerce and online business from institutions like the University of Pennsylvania, University of California, and more.

1. Shopify Academy (www.shopify.com/academy): Shopify, one of the leading ecommerce platforms, offers its own academy with free and paid courses on starting and growing an online business. The courses cover everything from setting up your store to marketing and scaling your operations.

1. LinkedIn Learning (www.linkedin.com/learning): LinkedIn Learning (previously known as Lynda.com) offers a vast library of courses on various topics, including ecommerce and online business. You can find courses on platforms like Shopify, Magento, and WooCommerce, as well as courses on digital marketing and entrepreneurship.

1. Skillshare (www.skillshare.com): Skillshare is an online learning platform that offers a variety of courses, including those related to ecommerce. You can find courses on starting an online store, building a brand, and marketing strategies taught by industry professionals.

When choosing an online course, consider factors such as the course content, instructor credibility, student reviews, and whether the course aligns with your specific ecommerce goals and platform preferences.