A grassroots fundraiser has begun in an Upstate county for two families devastated by separate house fires, and a free tattoo is being offered in exchange for donations.The first fire was reported the evening before Thanksgiving, on Nov. 25, about 5:45 p.m. at a home on 2nd Avenue in Union.Seven-year-old Caeli Ratcliffe was killed in the fire, the Union County Coroner said.The second fire happened