Agreed on building own coils. This is my third coil that I built last night after getting a coil-building kit yesterday. I don't know what it's called (other than "a coil") - but it's two kanthal strands twisted around each other.
Gives a lot of flavor, even at low watts.
Wire and cotton are almost free and the kit, with an RTA, and an 18650, were under $70 shipped. I figure it will pay for itself in a couple months. Plus it's actually fun winding coils and experimenting with how they affect flavor, etc.
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