Thanks for the comment. I am the OP. It's true that both consulting and angel money will distract you front building the product. One key difference, though, is

Thanks for the comment. I am the OP. It's true that both consulting and angel money will distract you front building the product. One key difference, though, is that getting a $20k invoice paid for work done is much easier than convincing an angel to give you $20k for an idea. As many have pointed out, though I did consulting work, I never let it "take over" (well, at least not for more than a couple weeks at a time). However, I have seen the angel fundraising process "take over" the life of a startup for a few months, and often with a $0 eventual outcome.