ATM you can buy Skyzone 04X PRO 5.8GHz OLED FPV Goggles for $589.99 (in Banggood). You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Skyzone 04X PRO 5.8GHz 1920*1080 OLED FOV 52 Degree V3.3 Steadyview Receiver Video FPV Goggles for RC Drones – Black
Latest coupon and price update (UTC):
Banggood ($589.99)
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood. What about the price? From what I can see this price is higher than average price ($547.82).
Link: Banggood product page
Price: $589.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGBFDAY8, BGNEWYEAR8, BGj9w3h6xf, BGe66c0b
(there’s a little possibility that old coupon will work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for Skyzone 04X PRO 5.8GHz OLED FPV Goggles is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).