The coals I keep low enough so that there are no flare ups and when I build the fire back up the grease probably just burns up. I keep my fireplace burning all winter long as it is my main heat source. my grate probably is about the same height as the one pictured above. when I wrap in foil I use 18 inch wide foil so the juice and grease stay in and dont leak.
Backwoods Fatboy, 2 Ugly Drums, 22.5 wsm and 2 18.5 wsm's.