Earlier this year, Thomas Christian Owens decided to try his hand at prediction market trading for the first time. He created a Kalshi account in January. Three months and a $500 deposit later, he started betting. "It was a little bit of a birthday gift to myself to throw some money in there and just have some fun," the 29-year-old manufacturing engineer told CBS News. Owens wasn't expecting to make a killing. He told CBS News that he wanted a little extra money in his pocket to support himself