everyone knew someone in Las Vegas who was getting their real estate license and cashing in on the housing boom.It was a time when all an agent had to do was stick a For Sale sign in the front yard and wait for offers to roll in.Membership in the Greater Las Vegas Association of Realtors grew from 7,959 in January 2003 to 16,379 in January 2007, gaining 1,700 to 2,500 members a year.