One dozen roses from A New Leaf (312 S Dearborn St, 312-427-9097), $53 including vase and tax
Two dozen roses* from Costco (2746 N Clybourn Ave, 773-360-2053; 1430 S Ashland Ave, 312-492-3600), $17, no vase included
*Costco sells roses by two dozen or more