In addition, you can earn crypto without investing through,
1.Microtasks For Cryptocurrencies.
If you have extra time on your hands, you can do some microtasks for somebody or some service and earn cryptocurrencies in exchange. These microtasks can be something like downloading new apps for testing, watching videos, doing online surveys etc
2. Faucets.
Engage in menial tasks such as solving captchas, playing games, clicking on ads, or watching videos. For each task you do, you earn a small amount of Bitcoin.