I have just checked coupons. The lowest price I could get is 12.99 USD for With Bearing (in Banggood). Check coupons or create price alert down below. What is best price?
Latest coupon and price update (UTC):
Banggood (12.99 USD)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… But wait a sec… Is it a good price? This price is higher than average price (9.99 USD) for this item.
Link: Banggood product page
Price: 12.99 USD
Old coupons (from the oldest to the newest): BGWDT15
(probably won’t work, but you can try them out)
Aliexpress
Click here… to search for 3pcs Multi size Shank Round Nose Bits With Bearing Router Bits on Aliexpress
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for 3pcs Multi size Shank Round Nose Bits With Bearing Router Bits.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).