Quest 3 Comfort:

From the factory, it’s not comfortable, it’s much better with these extras:

Best Option:

Global Cluster CMQ3: $55 - Zero Pressure on your face and has external battery attachment (3s compatible)

Global Cluster Magnetic Facial Interface: - $40 - 3 hot-swappable facepads of various materials (not 3s compatible yet)

Global Cluster Light Blocker: $10 - Block the light gap when using the CMQ3, email to order

IR Light: $20/each - Play at night/outside in darkness without a light blocker

Value Option:

GoMRVR G3 Halo Strap:  $21.07 - Redistributes most of the weight (4th option)

Facial Interface: $15.95 - Leather PU and ice silk sponges for more comfort (2nd option)

GoMRVR Q3s Halo Strap: $19.31 (2nd option)

Facial Interface for 3s : $7.72 - Leather PU

Motion Sickness

Make sure you have the correct IPD set (Inter-pupil distance).  If you don't know what yours is you can check with these free Android or iOS apps.  

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
Start slowly, As soon as you feel any illness starting, STOP PLAYING! 

Have a fan blow in front of you (also helps keep face cool)

Purchasing Content:

There are 3 main stores:

Oculus Store - Most Apps are here, you can sort and filter apps with this site: https://vrdb.app/quest/index_us.html

App Lab - Oculus’ store for indie developers/beta/demos, you must use the exact link for these apps.  You can sort and browse available apps here: https://vrdb.app/quest/lab/index_us.html

Discounts:

You can refund anything from the Oculus Store or App Lab if you’ve played less than 2 hours/ 2 weeks (max 5 refunds in 30 days).  Just click on refund in your order history, it’s a good way to try and see what you like.  

Apps over $10 are eligible for a 25% Discount.  

Easily get tons of free credit by using my Referral Strategy Guide

Other Recommendations:

Chromecast - Sends your video to your tv so others can watch while you play

Soundcare VR P10 Earbuds - $80 - Great sounding low-latency wireless solution, otherwise use wired headphones as bluetooth has lag

Quest Game Optimizer - $10 - Increase the resolution of your Quest for better graphics

USB Battery Pack - Great to keep playing when your battery dies, play with it in your pocket or mount it on the back of the strap for a counter-weight

3D Printed Golf Club  - Great upgrade for Walkabout and TopGolf

Multiple Quests - Make sure you setup app sharing so all your purchases are available on both headsets without having to buy twice