Late Stage Capitalism

Security and privacy are things accomplished in layers. You can implement any or all of these as you're able to learn what they are and how they work.

At the very least a few browser tweaks and addons can prevent a lot malicious scripts and fingerprinting and are the absolute most simple, surface level things you can do. Just FF + ublockorigin will block most ads and surveillance capitalism tracking networks. noscript gives you granular control over what you do and do not want to run, and it's a good learning experience for most users. Want ads gone, poof, there ya go.

Arkenfox is just a policy confg file (user.js) for firefox, which further helps block tracking, fingerprinting and the most awful annoyances and grievances sold as "convenience" in modern browsers. It's well documented, easy to read and lets you configure things to your preference. The LibreWolf browser is firefox with a preconfigured arkenfox user.js for users who aren't tech savvy or don't like configuring things in text files. Highly recommended over FF + arkenfox if you're getting started.

invidious is a privacy frontend for youtube that runs on instances (servers) that anonymizes users and cleans up youtube's awful ui. Lemmygrad provides automatic invidious links when a user links to a yt video.

Running your own router firmware means owning your secure device and having meaningful control over it. Otherwise someone else has more access to your network than you do.

Finally, none of the security or privacy stuff means anything if you're running an nsa compromised operating system, which is exactly that way by design. Opting out is free and returns speed, freedom and ownership to property held hostage by the worst excesses of capitalism and techno-fascism. This may tilt some "GaMeRs" ... but people who won't even liberate a personal computer from fascism at absolutely no risk, won't liberate much else, either.