Aliexpress
Click here… to search for Xiaomi 2212 800KV CW 1080p RC Motor on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Xiaomi 2212 800KV CCW 1080p RC Motor (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (4.49 USD): AFfbG10
Coupon (4.49 USD): BGBFAFF2019
Coupon (4.59 USD): Parts8
Coupon (4.64 USD): aff7off
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): 502C6B, TTxBG10, 2019SPEDM, bgssaff9
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Xiaomi 2212 800KV CCW 1080p RC Motor (-3 USD)
Price history and price alert
Price history (for all/most countries) for Xiaomi 2212 800KV CW 1080p RC Motor is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).