TZA is not a scam. You have to be a trader and not hold long term. I have to admit though that I have never made money trading TZA. But TZA might go higher short term when congress is in session. More than 80% of stock market gain's are had when Congress is not in session, like now through Friday. Now that I have mentioned it...probably not true anymore. Congress will be in session Feb. 25 through Mar. 22, 2013.