Real gold is a PITA to trade in, my friend was given some by his father and out of interest he looked at selling it.
Depending on the amount, you need certificates of ownership and authentication. Some places will want to retest the gold for purity.
Storing large amounts become costly and having to take out insurance and then there’s the actual brokerage fees.
You can’t just rock up to your local pawn brokers or gold smiths and expect cash for it on the same day.
But I suppose it’s one of the best ways to store generational wealth.