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This is a hardware wallet to "store" your Bitcoin cryptocurrency. There are stores that take direct payment in Bitcoin -- you would have to search for locations near you OR find an app for your phone which would list the "store fronts" that accept, but there are many places online that accept Bitcoin for payment. Just keyword search online and you will find many options. This is a growing site that accepts: https://purse.io/

so crypto isn't stored online?

It can be stored online, on your computer (Exodus app) or on your phone (example: Jaxx app), but in order to be 'safest' is should be stored in what is called "COLD STORAGE" which is NOT online or accessible by anyone but you -- on a Hardware device like the one my blog is about. There are like 2-3 other good "cold storage" devices are are recommended.

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