Thats cost me north of a few million before ...
71 karma · joined March 7, 2015
This isn't really true with ISOs (hence the point of them). You may get an AMT gain which is ugly, but you don't owe regular taxes on the spread unlike Non-Quals where you would.
No idea how well it works because it was really slow because it seems to come bundled with other features that require indexing of your entire project so I disabled it