I have watched many tutorials on building your own exotic
coils, too much of a hassle for me though.
But I buy all kinds of exotic
coils here. From dual, triple and quad core fused claptons. To framed staple coils and aliens. Works out cheap enough if you buy the mass produced ones from hellvape or vandy vape or wotofo. I gues it all depends on how low you want your build to ohm out.
Sometimes I like it around 0.18 ohm and just take long, flavourful drags with my dead rabbit v3 airflow half closed.
Other times I go around 0.12 ohm and high wattage. Big clouds and warmer vape.