A newcomer to Hall County, Joanne Ramsaroop is more than just trying to familiarize herself with the community. The Bank of America mortgage officer is trying to learn about her potential customer base and the housing market. That’s why Thursday’s Small Business Resource Fair, a first-time event hosted by the Greater Hall Chamber of Commerce, proved helpful. “I don’t know a lot of what’s going on here with real estate,” said Ramsaroop, who arrived from Florida four months ago.