Basically copy coupon, view price history or create e-mail price alert. 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 coupon code price check (UTC time):
Rated power 750W, Rated frequency 50Hz, Size 335mmx230mmx235mm, Rated voltage 220V, Capacity 12L, Rated capacity 12L, Product model CRKX1201Y
Banggood
Banggood warehouse is located in China. Only one coupon available!
Link: Banggood product page
1. ($84.99): 13f142
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): BGHome15%, BGMNKXJP, BGHOMEAPP13, BGHOMEA13, 7d18f7, BGCuponation10
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi OCOOKER 12L Smart Electric Oven? There we go.
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)).