Find a dealer. Check the BBB rating. Order the coins. There are online places to buy them. You can use your credit card or send a check (slower).
Order ships out within a day at the rate you locked in. Delivered by UPS and you sign for it. Store it in fire proof safe or Deposit box. However during emergencies, bank might be closed, so keep some cash and coins at home.
Ok; now you’ve got some gold coins.
Where do you spend them; post crash?