Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Item Name: 2306 2450KV 2750KV 3-5 Brushless Motor KV: 2450KV / 2750KV (Optional) Screw Thread: CW Screw Thread Lipo Input: Support 3-5S Lipo (2450KV) 2-4S Lipo (2750KV) Configuration: 12N14P Stator Diamter: 23mm Stator Length: 6mm Shaft Diameter: 4mm(Hollow) Motor (Dimension(Dia.*Len)): Φ 28.49*30mm Idle current(10)@10V(A): 2.1 (2450KV) ; 2.6 (2750KV) of Cells(Lipo): 3~5S Max Continuous (Power(W)15S): 950 Internal Resistance: 33mΩ (2450KV) ; 26mΩ (2750KV) Max Current(15S): 45A Effciency Current: (4-8A)>81% Rotor: N52H arc magnets Bearings: NSK Base casing: Al 7075 Wire AWG: 20AWG Weight(g): 32
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
1PCS GEPRC GEP-GR2306 Brushless Motor 2306 1600KV/2450KV/2750KV 3-5S For RC Multirotor DIY FPV Racing Drone Quadcopter | $23.26 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
1. ($26.55): Parts8
coupon code has to be applied in shop’s cart 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): 25GR, AFfbG10, 0e7f33, FBCOUPON1, bGhOnEy10, bgshOOp10, BGRC902, BgoFErTaSchInA10, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, BGDAVIS, BGHONEY2110, BGRACING1125
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Geprc GR2306 2306 2750KV 3-5S RC Brushless Motor.
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)).