> Cheapest option is to download a free landing page design and code it: https://www.sketchappsources.com/

Sketchappsources looks promising.

> A better option is to purchase something off of https://themeforest.net/category/site-templates

I found templates on themeforest fall short on the aesthetics that you find in SaaS websites like linktree.com that I alluded to in my post description. Please correct me I have the wrong impression of themeforest.

> As you spend more time optimizing your product you'll see design patterns being used by your competitors and learn along the way.

This is where I'm at. I'm able to build a front-end but competitors products look way good and I want to bridge the aesthetic gap.