Give me a list of 3 hobbies that are good for your health and inexpensive

1. Long-distance running - Long-distance running is good for heart health and also mental health.

2. Hiking - Going for a hike can be a great way to clear your head and improve your fitness. Hiking is almost always free, but some parks can have an entry fee.

3. Walking - Not only is walking good for your heart, it can also help you to manage stress