You can do three things with bitcoin.
1.Holding and waiting for the price to hit the moon.
2.Trading cryptocurrencies(you need skills and experience for this).
3.Gambling(i don`t recommend it).
If you wanna buy products with btc you can use purse.io (i`m not promoting it).
Bitcoin is not a currency,bitcoin is a digital financial asset.
You state that you can do three things with bitcoin and then you go on to mention four
