Start free. Upgrade when you outgrow it.
One message you send to an agent. The agent might do many things in response — install packages, edit files, restart services — that's all one dispatch.
Your account stays active and your subdomain keeps working. To send more messages, upgrade to Pro.
Yes. Point an A record at our server and tell the Ops agent the domain. It'll handle the vhost and the Let's Encrypt cert.
Your files stay for 30 days. Resubscribe in that window and pick up where you left off. After 30 days we archive and remove.
No — the agents handle it. But your account is real Linux, so if you do know it, SSH in any time.