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Totally worth it.
Zebralight ftw.
aa for flexibility / dec
18650 for outdoors use.
Honestly my no1 used tool when camping, more than my knife, stove, axe, etc.
Not something I would skimp on.
You CAN get cheap decent lights, but if you're a gear queen like most of /out/ its worth learning and investing in a decent torch.
For free time reading I recommend checking out candlepowerforums