CHAMPAIGN, ILL. — Quantum Real Estate Advisors Inc. has negotiated the sale of a 24,454-square-foot retail center in Champaign for $4.3 million. Located at 2012-2032 N. Prospect Ave., the property is home to David’s Bridal, America’s Best Eyewear, Little Caesar’s Pizza, Sally Beauty, and a few local tenants. Chad Firsel and Jason Lenhoff of Quantum represented the seller, Chicago-based Core Acquisitions LLC. A Milwaukee-based private real estate investor was the buyer.