I try to keep my go-to's simple. The particulars really depend most on the power source, but the goal is always fast, simple and effective. I try to make sure that my go-to's will perform satisfyingly adequate on any atty.
For my tube mods, I like to stick with dual 23's - 5 or 6 wraps around a 3/32 or 2.5mm. It used to be 24, but I like the flavor and heat boost from the extra thickness. It's just got such a nice balance of mass and pull. For airflow monsters, I'll do a 6 or 7 wrap dual 22g. For a nice, chewy vape, I will always stand by dual triple parallel 28g - usually 5 wraps around a 2.5 or 3mm bit.
For my series box, I'll do a 12-13 wrap, 2mm dual 28, or a 10-wrap, 1/8 or 9/64 dual 24. I also tend to put a lot of trust in standard claptons. Dual 38 or 40 around 28 or 24 has never done me wrong. I simply adjust wrap count and diameter to suit whatever power level I'm shooting for.
With regulated boxes, I don't really have a go-to. Honestly, I use those the least. I only break them out when building coils that would be dangerous or implausible to run on a mech. I like to use them for experimentation, so I don't often do repeat builds for them
