Chicago is three markets wearing one name. The city is dense, built on two-flats, greystones and condo buildings, and people search it neighborhood by neighborhood: Lincoln Park, Logan Square, Hyde Park, Pilsen.
West of the lakefront, Oak Park and the inner suburbs share that older housing but have their own local rules.
Further out, Naperville, Aurora and Schaumburg are collar-county territory, where subdivisions, townhomes and office parks make up most of the map and people get around by expressway or Metra.
Winter is the busiest season for the trades, because frozen pipes and dead furnaces arrive all at once. Inside city limits, the City of Chicago and Illinois licenses your trade needs belong on the page.
A campaign that lumps the Loop, Evanston and Aurora together pays for clicks no single crew can reach.