Search this forum for posts on setting up and using an SSD.
Regardless of how data and devices are managed, have a good, tested, backup / restore strategy. And move the backups off the HA Green.
Integrations have been known to be problematic. As an example, VSCode is notorious for being a resource hog. This link describes how you can profile Integration behavior:
2024.5+: Tracking down instability issues caused by integrations. Any issues with Integrations should be reported on GitHub.
Also check out: The Home Assistant Cookbook - Index.