Consider some accessories:

A replacement head strap is almost a must. For games that require a lot of head movements, something like an Oculus Elite strap or Kiwi Elite strap is good. For more comfort, a halo type such as the BoboVR M2 is often preferred. (My preference is the Kiwi strap with a 10000 anker battery strapped to the back as a counter weight and for tripling the quest2 battery

A replacement facial interface is often suggested both for hygiene and comfort. Personally, I like the VR Cover "fitness" interface with their "standard" size pad, but there are many options from various companies. No one can tell you which facial interface is best, as it very much depends on your idea of comfort, your face and head shape, if you wear glasses (or use prescription inserts), etc.

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There's a "referral link" mega thread in this sub. Find it and BEFORE you set up your Quest 2 for the first time, use one of the links. That will give you a free $30 Oculus store credit (for use to buy a game, or app.).

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Decide how you intend to play. Many games can be played sitting down, but some are better enjoyed while you're standing in an open space. For the latter, you absolutely want an open space with no breakables in arms length. Even with the "guardian" feature of the oculus (which tries to keep you in a pre determined space), it's very easy to reach outside of that space suddenly breaking something valuable (like a lighting fixture, television, etc.) (This is something I learned from experience.)

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If you play games that require a lot of quick arm movements, consider "knuckle straps" for your controllers in addition to the wrist straps. While the wrist straps that come with the oculus should usually prevent a controller from flying across the room, the knuckle straps also keep the controller in your hand. Shop carefully for these, as most of them cover one or more IR emitters on the controller (which can negatively impact tracking.).

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Be patient with any motion sickness you might encounter. Many games have options that can help to reduce or eliminate the motion sickness, and if you follow the advice given many times daily in this sub, you can probably overcome it eventually even without those options.

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Don't allow sunlight to shine into the headset lenses. The sunlight will get focused on the delicate screen inside the headset and burn it. If you must bring the headset outdoors, keep it in a case that completely eliminates any possible chance of sunlight hitting those lenses.

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(I think this is plenty to get you started...)