NAPERVILLE, ILL. — The Boulder Group has arranged the $3.5 million sale of a single-tenant retail property net leased to Staples in Naperville within metro Chicago. The 22,888-square-foot building is situated on 2.4 acres. Randy Blankstein, Jimmy Goodman and John Feeney of Boulder Group represented the seller, a real estate investment firm. The buyer was a Southeast-based investment company. The Staples lease expires on March 31, 2032. The tenant has operated at the location since 2006. The po