A high-end VR setup is an investment in your gaming space. Buy the current flagship model only if you plan to use it for the next three years, as tech cycles move fast and older, discounted versions often provide the same experience for less.
Wait for the Black Friday bundles to get the best value on the headset, controllers, and accessories. Buying the full kit at once prevents the need for piecemeal upgrades later.
The 0% intro window is a deadline, not a gift. If you still have a balance after 18 months, the bank will charge interest on what is left, which can get expensive fast.