You can create price alert here, copy coupons and view price history. Best price?
Power: 100W, Supply: AC110~220V, Size: 440*230*230mm, Brands: TBK, Package Size: 515*295*260cm, Net weight：6.85kg, Gross Weight：8.15kg, Product model: TBK-761
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 Europe 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database… Only one coupon available!
Link: Banggood product page
1. ($118.74): BG589b2e
just apply this code 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): BG6d2f05, BGGines, BGTools8, JanBGCoupon8, BGSaleFeb8, BGSaleAD, BGMARCHSALE
(there’s a little possibility that old coupon will work)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $99.99.
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)).