Changing your oil.

Painting your house.

Building a deck.

They're three of the most popular DIY projects out there -- but are the time and money you'll invest in them really worth it?

In a special series airing this week, CTV's Marc Venema looks at each of those projects, adds up the pros and cons and renders a verdict on if you should do it yourself or leave it to the pros.

Use the video player above to watch the series.