You can find black truffle salt at your local specialty grocery store. There are many brands to choose from, and some will have different flavors. The biggest difference between one brand and the next is the price. If you’re a gourmet chef, buying your own is a great option. Buying in bulk can save you money and time, and is a convenient way to stock up. To save more money, buy in bulk. You’ll be surprised at how much this popular food item costs!