>>279649734
Odyssey+ is going to be your best bet, it's $230 from Samsung right now.
https://www.samsung.com/us/computing/hmd/windows-mixed-reality/hmd-odyssey-windows-mixed-reality-headset-xe800zba-hc1us/
If you want to go even cheaper, you can look for one of the other WMR headsets refurbished, but I wouldn't really recommend it.