My own upgraded cube started from this list

https://cubecobra.com/content/episode/6108835d5cd451af0342c494

The Starter Cube is a $120 budget cube designed as a balanced entry-point into cubing. The entire list was purchasable from TCGPlayer on 8/1/2021 for just under $120 total. Prices fluctuate with time and the budget cubes are not updated on a regular schedule. The price increasing by up to 20% is expected between updates.

Audio primer for the cube: Solely Singleton Season 13 Episode 3