According to my DB the lowest price is 156.26 USD for 10 pcs. PTK VOTIK 9497 MG-D Micro Digital RC Servo (in Banggood). You can create price alert here, copy coupons and view price history. What is the best price?
Latest coupon and price update (UTC):
Banggood (156.26 USD)
Banggood warehouse is located in China. Is it expensive? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal 156.14 USD) There is one great coupon!
Link: Banggood product page
Price without coupon: 169.85 USD
Coupon (156.26 USD): BGHONEYSP
(CouponsFromChina.com tip: just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): Parts8, BGAir5, BGRCParts8, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy, hoNEYbGdeAlS, BGToys1, BGRCT10, BGJUNEGSG9, BGAUGUST8, BG589b2e, BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX, BGBFDAY8, BGNEWYEAR8, BGSPRING8OFF
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – 10 pcs. PTK VOTIK 9497 MG-D Micro Digital RC Servo [EU] (-3 USD)
Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for 10 pcs. PTK VOTIK 9497 MG-D Micro Digital RC Servo is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).