In light of the federal government summoning Air Canada to Ottawa this week to discuss a spate of reports about the mistreatment of customers in wheelchairs, Marketplace is releasing an exclusive preview of its hidden-camera investigation which documented a rarely seen first-hand account of the challenges faced by those flying with a disability.

While shopping undercover at some of Canada's top jewellers, Marketplace journalists came across sales pitches filled with false claims and inconsistent diamond grading reports, all of which could lead consumers to question whether they got what they paid for.

A CBC Marketplace investigation into CDI College, one of Canadas largest for-profit career colleges, has found a pattern of misleading practices being used to pressure would-be students into signing up for online programs that can cost upward of $20,000.

Police have laid hundreds of charges against movers accused scamming customers for quoting low prices, but charging more and holding belongings unless the bill is paid. Marketplace had exclusive access inside the bust.

A group of moving companies is offering low quotes and then increasing the total cost of moves by thousands of dollars in some cases grossly over-estimating the weight of goods to be moved, a CBC Marketplace investigation has found.

Marketplace reveals many homeowners are unaware of and unprepared for the growing threat of flooding because of confusing insurance policies, murky real estate rules and incomplete floodplain maps.