Package Weight: About 550g, Package Size: 43x 21x 12cm, Flying Weight: 88g, Color: Grey, Wingspan: 660mm, Charging Time: 60min, Propeller: 5.6cm, Motor: 816, Material: EPP, Remote Control: 2.4G 2CH, Airplane Battery: 3.7V 450mAh Lipo, Control Range: 150m, Flying Time: About 20min, Length: 400mm, Remote Control Battery: AA Alkaline battery *4 (not included), Item Name: Z51.
Go down and check coupons out. Remember to check price history if it is available. What is the best price?
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 and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($64.80): BGJON8
2. ($65.44): BGAir5
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGZ51, AFfbG10, BGAIRP12, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, 0e7f33, FBCOUPON1, BGMPB2020, BGAFF10OFF, bGhOnEy10, BGHALLOWEEN, BgcLuBofErtA10, BGCuponation10, 13f142, BGDAVIS, BGHONEY2110, BGPlane-5, Drones6, BANGGOODSD, 6GSGIT, CouponsDE
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Z51 Predator RC Airplane RTF [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for Z51 Predator RC Airplane RTF is here. The lowest price was: $23.99.
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)).