And again off exchange block/bulk sales tend to go for lower than market price. They are rarely, if ever, executed at market price. So most probably he will have to offer 100k ETH, 4.8mil, for a ~4 mil mansion.
"4.8mil, for a ~4 mil mansion" I agree and that's totally reasonable. Only a 20% hit. Pxtl was saying something much more dramatic ("he'd never be able to get a decent fraction of its worth").