I have checked all old coupons and price is $40.24 for BAOFENG BF-A58S 8W 2800mAh Walkie Talkie (in Banggood). Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Output power <8W, Battery capacity large capacity, Product model BF-A58S, Radio FM65-108MHz, Frequency range 136-174/220-260/400-520MHz, Storage channel 128 groups, Body weight 206g, Appearance size 116*60*37mm(Does not include antenna length), Antenna length 21CM, Working voltage 7.4V
Latest coupon and price update (UTC):
Banggood ($40.24)
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood). Is it a reasonable price for this item? From what I can see this price is higher than average price ($31.39).
Link: Banggood product page
Price: $40.24
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 2022ACTIESNL, BGf40798
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for BAOFENG BF-A58S 8W 2800mAh 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)).