(Undated)  --  A new analysis by WalletHub ranks Portland among the best places to be a real-estate agent.  WalletHub compared 150 of the largest U.S. cities across more than a dozen key indicators.  Portland is ranked 12th overall, receiving solid scores in "job opportunity and competition" and "real-estate market health."  Vancouver is 18th and is one of four Washington cities to make the list, including Seattle, which is ranked 2nd.