Here are some things to take into consideration when choosing to go the app or custom coding route

You could set this up with an app like Locksmith or go the custom route explained here.

If you’re using variant buttons, it’s helpful to display the discount above the button. Here's how.

Here are a few good habits to improve your liquid writing habits

There's a couple of simple ways to implement lazy loading - here's how.

How to build out additional Blocks inside the Product Information Section.

Exploring different ways to create apps

Technically, 'colour' is a product variant. BUT here's why it makes sense for each colour to represent a separate product.

Learn how to use "FormData" object and improve your AJAX cart

Here's how to use the "localization" object to show different prices including taxes based on location