| Doubling up on the front line is good, especially against high damage-output opponents like giants. The first time one of us gets crit for 9d6+39 by a frost giant we'll be glad to have someone else take the heat for a round or two.
For cost effectiveness, I'd recommend having a wand of lesser vigor as well as CLW in the party. It's slower, but gives twice as much healing for the same cash spent.
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