Xiaomi Mijia Wowstick X2 Bits Set (Banggood, Aliexpress: H4.0/ P2/ P5/ P6/ Y0.6/ Y1.0/ Y2.0/ Y2.5/ Y3.0 (the best price with coupon)).
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($12.75): BG123F2021
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 4d4f2b, ca7401, 115763, 20tools, 502C6B, e2bcea, BG1534, 38fdec, BG2WOW2, AFfbG10, BGOMG2, TS15prime, BGWowstick2, BGWOWBT, BGoo1, BGPowerTool15, BG2020NS, BG2SB2, BGWM2, BGWowstickFB, BGherra, BGPTOOL, BGWow101, BGPToo15, BgcLuBofErtA10, BGWOWSK15, BGETS3, BGPower15off, BG931bb3, BG123FBR
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi Mijia Wowstick X3 Bits Set ($-3)
2. China – Xiaomi Mijia Wowstick X1 Bits Set ($-3)
Price history and price alert
Price history (for all/most countries) for Xiaomi Mijia Wowstick X2 Bits Set is here. The lowest price was: $4.59.
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)).