Which digital marketing course is best for e-commerce?

There are great e-commerce marketing courses that are either free or paid and can fit a beginner, intermediate, or advanced level. There are also different courses aimed at the different types of e-commerce businesses, like B2B or B2C.

There is the HubSpot: e-Commerce Marketing course that's free, Shopify: Ecommerce Email Marketing 101 which is free, LinkedIn: Ecommerce Fundamentals which is free, Digital Marketer: Ecommerce Marketing Specialist that costs $495.

Also, a good place to start is to make sure you properly understand the terms relating to digital marketing and e-commerce - how they differ, how they are linked, etc.