PROMISES MADE, PROMISES BROKEN? "20/20" INVESTIGATES PRODUCTS WITH QUESTIONABLE CLAIMS, FRIDAY, MARCH 6

Consumers beware: from exciting, work-at-home online job opportunities to enhanced waters promoting health and wellbeing, "20/20" investigates some questionable claims made by companies. Are they proven or are they actually too good to be true? "Promises Made, Promises Broken?" airs on "20/20," FRIDAY, MARCH 6 (10:00-11:00 p.m., ET) on the ABC Television Network.

Reports include:

Work at Home Scam: With the current economy, many people have been tempted by websites offering job opportunities that promise to earn you good money at home, like one that promises steady money simply stuffing envelopes. Jim Avila investigates this cruel internet scam that preys on people out of work or just trying to make ends meet and which has left victims empty handed and led to an arrest.

Enhanced Water: Sharpen your memory, improve your health� all from a bottle of water? There are now some 150 enhanced water products on the market. But should you think before you drink one of them? "20/20" talks to the experts and even conducts an enhanced water experiment. Chris Connelly reports.

Complaints: When you think you have been ripped off, what do you do? Scream? Call and complain? Or just take it? Maybe there is a better idea. John Stossel reports.

"20/20" is anchored by Elizabeth Vargas and John Stossel. David Sloan is executive producer.