Aliexpress
Click here… to search for Xiaomi Pinlo PL-S042W1H 420W Toaster on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
Coupon (56.15 USD): BANGGOODSD
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): b17682, f8aaf1, PICODICOM, aff7off, BGss506, bgssaff9, BGaDmITAd, bgchinafest, 502C6B, BGBFAFF2019, BGCITYADS2019, bGpAnDacHeCk, 7d18f7, BGVDay10%off, BGTFRD, BGPLBF, BGHOMEAPP, bGhOnEy10, BGSS10%SW, bgshOOp10, BGHome15%, BGHOMEAPP13, BGHOMEA13, 13f142, BG10OFFAFF, BGwhielabel, BGYY001, BG10OFFAFF1
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Pinlo PL-S042W1H 420W Toaster.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).