You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Color: Gold / Silver, Limit Comb: 1/2/3 mm, Size: 14.5x4cm/5.7×1.6in, Product Model: HQ266A, Using Time: 150min, Motor Speed: 5500r/min / 6000r/min / 6500r/min, Battery Capacity: 3V 700mAh, Charging Time: 3 hours, Name: Electric Hair Clipper, Input Voltage: 110V-240V / 50/60Hz, Power: 5W, Blade Material: Titanium Alloy
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($29.44): BGHECARE1
2. ($31.87): tRaDetRaCKeR
you should apply the coupon 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): BG10OFFAFF1, BANGGOODSD, BGHealth06, BGHealth10D, 2022ACTIESNL, BGHB218
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for LCD Digital Display Men Electric Hair Clipper.
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)).