Some good reasons why you use bitcoin.
1. It is fast. Transactions are instantaneous and confirmation times are usually done withing 10 minutes.
2. It is cheap to transfer any amount of money anywhere. Fees are insignificant at this point.
3. Your bitcoin are your alone, they can't be blocked by bank, IRS or any institutions.
4. There are no charge backs.
It is decentralized and it is the way of goo payment with the use of internet ofcourse because bitcoin needs it for you to acces it. It can also be your source of income as of now because there so many ways of eaening here.