For Sale- EARTH!
What a Great Place to Live!
For sale now for $32 Trillion!
The Earth's atmosphere supports life and protects it. The gases of the Earth's atmosphere keeps it warm and transport energy to different parts of the planet. Planet Earth is exactly the right size. If it were smaller it could not hold our atmosphere. If it were much larger, it could be a gas giant that is too hot to sustain life. Bonus!
Earth's Magnetic Field
Also included with no additional charge is the magnetic field that protects Earth from harmful blasts of solar radiation. This protective shield is why Earth has life and why Mars does not.