The Real Cost of DIY Advice

I’ve been thinking about this a lot lately: why is it that so many of us don’t seek out professional advice until there’s an emergency on our doorsteps? Why do we so unquestioningly pay for certain services, like dentistry or health care, but then think we can do it ourselves when it comes to others, like home renovations?

When is the best time to hire a professional to save ourselves the most money?