Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t really know if this price is reasonable, coz there’s no price history in my DB. Only one coupon available!
Link: Banggood product page
Coupon (25.37 USD): BG589b2e
(CouponsFromChina.com tip: coupon code has to be applied in shop’s 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): 3993fc, e2bcea, d53903, d5390, 38fdec, BG201906, BGC0735, Autman2, BGLS1, BGATuMan3, bg2g00d, BGbuywithus399, BGATuMan1, BGATuManLS, BGGR198, BGZUZULS1, BGTEP2, BGCheapbuyLS, BG4LS1, BGEasybuyLS, BGsmartbuyLS, BGsalamtakLS1, BGNewpart, BG11LS1, BGATuManLS1, BGZUZULS11, BGATuMan11, Tools3, BGLS11399, BGESL1, BG11VIPD, BG3332, BGATuMan72, BGATuMan32, BG2020NS, BGTools65, BGTOOLS26, BG2SB2, BG1LS, BGHN2C, BGLS12, BG22SP, BGHU702, bGhOnEy10, BG1207, BGherra, BG2MLS, BGPTOOL, BGLOCAL1, BGBR96, BGDUKAS1, BGCZLS1, BGSale999, BGAtu159, BGRUATLS, BGAUATuMan, BGATuMan10, BGAULS1, BGATU12, BGATMLS, BgcLuBofErtA10, BGCZAT2, BGATuMan12, BGCZATM2, BGHU0256, BGATD3, BGATMA3, BGAUTM2, BGAFF10OFF, BGCNNY09, BGESDLR, BGATM9, BGATM2, BGATM8, BGATM6, BGATM3, 13f142, BGe10c8c, BGE10C8C, BG7def30, BGebdb40, BGc8326b, BG9921fb, BG7a6f1a, BGe9577c, BG3d4def, BGbd5ebe, BG931bb3, BGcf1661, BG71aaec, BG657955, BGb3430b, BGbefc37, BGNDT16, BG123FBR, BG123F2021, BG0c5915, BG2cda7d, BGddb027, BGPTL088, BG7d179e, BGCCHU167, BGGines, BGb48356, BGPHOOL8
(these coupons are old, so probably won’t work)
Price history and price alert
Well, you won’t see price history chart, coz we have only 1 database record for this item (and price was 12.99 USD).
You can set price alert (for Banggood).