Just check coupons out (with price alert and history). Best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Projector Portable Bag for XGIMI H1 H1S H2 H2S CC Z5 Z8X Aurora JmGO J6S J6 J7 J7S V8 V9 W730 DLP Projectors pouch shockproof | $26.94 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
horizontal ±40 degrees (2D), Dimension and Weight, Display technology DLP, Contrast 1000: 1 or less, Projection light source LED, Projection screen size 30-300 inches, Zoom focus, Whether to support 2D to 3D Support 2D to 3D, Processor Mstar 6A848, Certified model XJ03Q, Brightness (lumen) 1200 ANSI lumens, Projection method Positive vote, Left and right keystone correction Manual, Focus automatic, Model Z8X, Standard resolution 1920X1080 dpi, Projection lens High light transmittance coated lens, Illuminance uniformity 98%, Trapezoidal correction Vertical ±40 degrees, Projection ratio 16: 9, System memory 2GB, Up and down trapezoidal correction automatic, Characteristic Full HD 1200 ANSI lumens
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($604.49): aff7off
2. ($604.49): bGpAnDacHeCk
3. ($609.99): BGXGZ8X
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGaDmITAd, bgchinafest, BGCITYADS2019
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for XGIMI Z8X DLP Projector.
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)).