CBC Marketplace finds aggressive upselling and services paid for but not performedTo read the full story: http://www.cbc.ca/1.2418675. Originally broadcast Nov 8, 2013. When you trust someone else to take care of your car, can you trust that they're not taking you for a ride? Our undercover investigation reveals ripoffs at a popular oil change chain. We're going in for the advertised $19.99 oil change, but you won't believe the charges we end up with. And did they even do the work? We go up on the hoist to show you what’s really going down at these oil change shops. More from CBC Marketplace, Canada's top consumer affairs show: Watch episodes online at http://cbc.ca/marketplace Like us on Facebook: http://facebook.com/cbcmarketplace Talk to us on Twitter: http://twitter.com/cbcmarketplace Follow our hosts @cbctom and @cbcerica