Just check coupons out (with price alert and history). Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Resistance: 0.15 – 2 ohm, Auto-adjusting 510 pin provides tolerance to wide variety of RDA and reduces possibilities of leakage, Compatible with 18650 Battery (not included), 6.5ml silicone squonk bottle for softer feel
Price history and price alert
There is only one database record (it was for $28.88), so you can’t see price history chart.
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)).