Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
Coupon (23.55 USD): BGHB218
(CouponsFromChina.com tip: apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): e2bcea, ea2be5, 680602, 653377, EnlightyOurlife, f16077, healthylifestyle, heal20, HHHHHOT, d43336, KEMEITRIM, vipupgrade8, ML15%Pro, BGSR15, BGESP2, GBM9LITE6, BGTEP2, BGDouble11HC, BGKM219, BG9922, BG959595, BGKM1407, BGBSU2, BGSHB7, BG8ZLP, BGOHH595, bGhOnEy10, bgshOOp10, BG11025, BGHB20, BgcLuBofErtA10, BGAFF10OFF, 13f142, BGCuponation10, BGHONEY2110, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, BGHealth06, BGAH255, BGHealth10D, 2022ACTIESNL
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for KEMEI KM-1407 Hair Clipper? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).