Having a good set up is key to feeling productive. Every persons needs will be different given their space, products they are making, and the flow of their workspace.
Below is a video of how I have my laser setup and the upgrades that I have done. Upgrades help to get the most out of your machine but they are NOT necessary to get started. I ran my machine for 9 months on all of the stock components before doing any upgrades.
I have most if not all of the supplies and equipment needed for upgrades in my Amazon Affiliate Store.