What are 4 good reasons to get solar panels and a powerwall for my house?

The following are 4 good reasons to get solar panels and a powerwall on your house:
1. Solar panels produce electricity to significantly lower utility costs
2. In certain locations, you can sell power back to your utility provider and make additional money off of your solar panels
3. Using solar panels is beneficial for the environment due to reduced reliance on electricity generated from mechanisms that produce CO2 emissions
4. During a power outage, you can use power stored in your powerwall to keep your own electricity running