360° TPU protection and Antenna mounts, Variable GoPro TPU mount (supports ND-Filter inserts), , GPS pre-installed for more safety at distance, 6mm arm design for more durability, XING 2208 motors for more power.
Just check coupons out (with price alert and history). 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 price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($427.16): BGGAL8
2. ($436.44): Drones6
3. ($436.44): CouponsDE
4. ($436.44): 00c906
just apply this code 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): BGIFXL5, bGhOnEy10, BGdragonBoat, bgshOOp10, BGRC902, BgoFErTaSchInA10, BgcLuBofErtA10, BGCLUBOFERTA10, BGAFF10OFF, BG10RACING, 7bcdf9, BGMATT7, BGDAVIS, BANGGOODSD, BGRACING1125
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for iFlight TITAN XL5 250mm 4S Drone. The lowest price was: $260.99.
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)).