These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.
No, you will pay for the full 24 hours / month. You only stop paying for your droplet if you destroy it. You still pay in a powered off state because the resources (diskspace, ram, etc.) are being reserved for that droplet.
The developer cloud
Scale up as you grow — whether you're running one virtual machine or ten thousand.
From GPU-powered inference and Kubernetes to managed databases and storage, get everything you need to build, scale, and deploy intelligent applications.