Whether you are selling products or services, Shopify is one of the first eCommerce platforms that you need to consider.
Shopify is the most simple and easy to use platform I've seen! It's perfect if you are not a tech-savvy, starting an online store from scratch with no coding experience. Shopify is also the only platform I have found that has a good balance between functionality and price.
I've read and follow this A-to-Z Guide
to build my first Shopify store, very helpful!
Feel free to ask me some questions here.