Markus Bogans used to spend his days selling foreclosed property for Wells Fargo, and before that, he handled Lending Tree mortgages.But both companies had laid him off within a year. Eager to change careers, he traded in his suit and tie for a blow torch and welding hood.The Charlotte man recently enrolled in welding school, WEC Welding Institute in Rock Hill, where he practiced welding last week crouched next to a six-inch carbon steel pipe.“There's no hope for the banking industry, and the housing market is pretty bad,” said Bogans, 29.