Big things happening in Chestertown later this week as the annual summertime sidewalk sales happen downtown. Crazy Days, as it’s know, will return Thursday, Friday and Saturday, July 25-27. Shops will open by 10 a.m. each day and have extended hours — closing at 6 p.m. Thursday and Friday and at 5 p.m. Saturday. Local eateries are also offering up specials.