Unseasonably mild temperatures in the upper 60s make Sunday a great day for house-hunting. Here’s a sampling of some of the homes that will be open to tour. 1502 Main St. Open 12:30 to 2 p.m. Sunday. List price: $612,000. Taxes: $12,713. 3BR/3.5BA. This South Evanston townhome occupies half of a duplex and has 3,000 square feet […]