Value averaging is definitely fancy market timing. I'm sure it works well and may even provide better gains. 13%? I'd be skeptical about that. (They could show you a chart where it worked really well for a given fund but hide another fund wish totally sucked at it.) Personally, I wouldn't bother having a special bucket of cash sitting waiting for a certain percentage change down to pull the trigger. And you'd need to have it automated to keep your own emotions out of the equation. (The same as a market "call option", really.) In the same vein, "buying the dips," also seems to work over the long haul. I guess it's all how passive/active an investor you want to be? Hopefully somebody here has tried value averaging and can give you some advice about it.