That's not really DCA, at least how I understand it. DCA is something like "I have $520,000 in cash right now today sitting in checking, I'm going to buy $10,000 a week of VTSAX for the next 52 weeks" which on average is a bad strategy.
What you're describing is better analyzed as a continuing series of lump sum investments. You're investing as soon as you have cash available, not unnecessarily holding onto cash.
What you're describing is better analyzed as a continuing series of lump sum investments. You're investing as soon as you have cash available, not unnecessarily holding onto cash.