Quest 3 Comfort:The included strap is garbage, replace it asap. Global Cluster is the best. BoboVr and Kiwi Halo straps are also good options.Global Cluster CMQ3: $55 - Zero Pressure on your face and has external battery attachmentGlobal Cluster Magnetic Facial Interface: $40 - 3 hot-swappable facepads of various materialsGlobal Cluster Light Blocker: $10 - Block the light gap when using the CMQ3.

VRDB
A better app store, easier to sort and filter games, tracks price history.Discounts
You can refund anything you’ve played less than 2 hours/ 2 weeks.
Just click on refund in your order history, it’s a good way to try and see what you like.
VR Ratings has 15% and 10% discount links for recommended games.
QGO has 10% off for almost any game.Motion SicknessMake sure you have the correct IPD set (Inter-pupil distance).
Chewing Gum - This helps immensely
Ginger (1000-1500 mg in supplement form - at least 30 minutes before playing)
Use Teleport instead of smooth motion, most games have a an option for this
Have a fan blow in front of you (also helps keep face cool)
Start slowly, As soon as you feel any illness starting, STOP PLAYING!Other Recommendations:Soundcore VR P10 Earbuds - $80- Great sounding low-latency wireless solutionUSB Battery Pack - $26 - Great for longer session, just put in your pocketGrip-to-Putter 3 - $50 - Real club weight and feel, perfect for Walkabout Mini GolfApp Sharing - Only buy apps once for 2 headsets