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Aliexpress
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Latest coupon and price update (UTC):
Replacement SUS316 parallel coil, 4pcs in a pack, Resistance: 0.25 ohm (80 – 90W), Material: stainless steel
Price history and price alert
Here is price history (for all/most countries) for 4x UWELL Crown 3 0.25 ohm Coils.
Price records source(s): Gearbest
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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)).