Flight time: 5 minutes, Remote Control distance: 50m.
Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
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.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($32.39): AFfbG10
2. ($32.39): BGEachine
3. ($33.47): aff7off
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 57df63, 72f9b0, 1992dd, 02464e, 812c92, 502C6B, 2e6be2, d8f2bb, 04b61d, TTxBG10, ae1483, BG10EA, BGE014
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for Eachine Windmill E014 RC Drone is here. The lowest price was: $16.99.
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)).