Orphans’ Court decree that authorized the sale of real estate was immediately appealable under Pa.R.A.P. 342(a)(6) and so the failure to appeal was a waiver of any right to a later appeal. Krasinski Estate, 40 WAP 2018 and 41 WAP 2018 (Pa. 10/31/2019), aff’g, 2018 PA Super 130 (5/15/2018) (en banc), aff’g in part, rev’g in part, vacating in part, and remanding, 5 Fid.Rep.3d 275 (Clearfield Co. O.C. 2015).