Reddit reviews 24k Gold Leaf (1Booklet 25 Sheets/Transfer Type)

To be fair, gold leaf is only like 0.1 micrometers thick. So that’s only like $1-$2 of gold right there

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This is excessive and wasteful, but putting it on a burger and selling it for $100 or whatever is just duping gullible rich people. It's like (at most) $5 worth of gold on a $12 burger.

Gold foil sheets are actually not outrageously priced. Here's an example from Amazon 25 sheets for $43 bucks.

Gold gilded sheets are even less expensive, 100 for $13, not much more expensive than any other kind of fancy decorative supply.

So expensive..

This looks like what he had on Amazon, $30.

0.1 - 0.2 microns according to the seller.