1. You will make very little money, unless,
2. You have other financial resources available.
The profession of creating music has historically been sponsored by generous patrons. This is the case because, ironically, although people love to consume music with tremendous voracity and delight, music as a product has never been priced correctly.
The value of music has been driven to zero by a combination of de-facto monopolies on distribution, extreme supply of music (of all qualities), as well as the customary behavior by most song consumers to pay artists basically nothing.
Perhaps there is a third option:
3. Make it big.