When I was updating this page the price was 20.99 USD for CNC Router (in Banggood). Just check coupons out (with price alert and history). What is the best price?
Latest coupon code price check (UTC time):
Banggood (20.99 USD)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… What about the price? Pretty good price – average (34.75 USD) is higher than current one!
Link: Banggood product page
Price: 20.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGGines, BG36df96, BG02cf64, BGWT15, BGa0b557, BGc8412f, BG9059dc, BGWDT15
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
Click here… to search for 12.7mm Carbide CNC Router Bit on Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for 12.7mm Carbide CNC Router Bit is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).