You can create price alert here, copy coupons and view price history. What is best price?
Communications Distance: 1-3Km, Material: ABS + Metal, Frequency Step: 2.5/5/6.25/10/12.5/25kHz, Voltage: 110-240V, Supply Voltage: Rechargeable Lithium-ion 7.4V 1800, Size: 10.5x 5.5x 3.5cm/ 4.1″x 2.2″x 1.4″/ Lx Wx H, Frequency Range: 65MHz-108MHz (Only commercial FM radio reception); VHF: 136-174MHz(Rx/Tx) & UHF: 400-520MHz(Rx/Tx), Memory Channels: Up to 128 channels, Gross Weight: 818g (included 2 Walkie Talkie Radios), Frequency Stability: 2.5ppm
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. As you can see I didn’t find any active coupon for this product right now…
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGELIG0920, bGhOnEy10, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BGd0b05d
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for 2Pcs BAOFENG BF-UVB2 PLUS Walkie Talkie.
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)).