$61.99 – No-load speed: 20000r/min, Material: Alloy+plastic+rubber, Spindle diameter: M10, Name: Brushless angle grinder, Battery: With 1/2 Battery(Optional), Grinding / slicing diameter: 100mm/125mm, Color: Blue+black.
When I was updating this page the price was $61.99 for Drillpro 388VF 125mm Brushless Angle Grinder with 2 Batteries (in Banggood). You can create price alert here, copy coupons and view price history. What is best price?
Latest coupon and price update (UTC):
Banggood ($61.99)
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood). The question is – is it a good price? It looks like it’s a good price (lower than average ($62.19)).
Link: Banggood product page
Price: $61.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG4ad368, BGGines, BGHPT15, BG589b2e, JanBGCoupon8, BGSaleFeb8, BGSaleAD, BGPT07, BGBFDAY8, BGPowerTLS2
(these coupons are old, so probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Drillpro 388VF 125mm Brushless Angle Grinder with 2 Batteries. The lowest price was: $50.99.
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)).