boost 1 - 70 = 30 fg
if you buy 12grift boost is free
1x Grift 75 = 20 fg or 12 for 150 fg + rift's for keys i can play barb/wd/dh done in ~1Hour
1x Grift 85 = 30 fg or 12 for 250 fg + rift's for keys i can play barb/wd/dh
1x Grift 95 = 40 fg or 12 for 350 fg + rift's for keys only barb done in ~2Hour