Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
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 and price update (UTC):
Cutting Depth 0-50mm(Max), No-load speed 3800 rpm, Maximum saw blade diameter 165mm 165*19*24T, Spindle size 6inch/152mm, Maximum cutting depth 55mm/90° 39mm/45°, Power Supply Li-ion Battery(Not included battery), Cutting Angle 0-50°, Material Alloy, Color Blue
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
1. ($118.12): BGGines
put item in your cart and apply coupon code there 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): BGherra, BGD3008, BG22692, BGPower15off, BG931bb3, BG123FBR, BGDRB18, BG09afc3, BGfd59c2, BGe01342, BG896b43, BG6a4952, BG477fe0, BGb48356, BGPHOOL8, BGHPT15
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for MINLI Electric Circular Saw? 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)).