Until someone robs you. I've seen teams of burglars target asian households around weddings, because they know that all the family gold will be in the house. Fastest way to lose 100k.

i'll have to recommend "practical doomsday" here - https://lcamtuf.coredump.cx/prep/ (edit: because it spends a lot of time on the topic on how to secure your wealth). or ask lcamtuf himself.

Gold is down YoY. I prefer banks and stocks.

Until you need to move or share it. That's why monero XMR is the only serious fungible and decentralized cryptocurrency