The First Congregational Church of Riverhead is hosting a half-price sale on everything in its Alley Cat Thrift Shop. The sale will be held on three different days: Tuesday, July 2, from 10 a.m. to 2 p.m., Thursday, July 4, from 9 a.m. to 2 p.m., and Saturday, July 6, from 9 a.m. to 1 p.m. Shoppers will find a variety of items including housewares, men’s and women’s clothing and shoes, framed art, and linens. The thrift shop is located behind the church.