Gumroad is easy-to-use online platform. You can sell your products to a worldwide audience.
Steps to make your first $ online:
Open an account at gumroad.com
Gumroad Landing Page 
Gumroad Login Page Create a digital product
Give your notion template a name & a price. Make it easy to read.
Gumroad Create Digital Product You can give the product a clean and short description. Tell the customers what exactly they will get after purchasing/downloading the template.
Answer their common questions. Encourage them to reach out via email for doubt clarification(s).
Attach your Public Notion Template link in the content field.
Attach your digital product 
Save your public Notion Template Link Publish your product
After populating your product content and description, you can save your changes and hit publish
- Write an article on how to build & use the template