What you gain
Self-hosted tools give you more control over URLs, data retention, branding, integrations, and migration. They can remain useful even when a third-party product changes direction.
What you take on
You become responsible for hosting, updates, backups, security, email delivery, and compatibility. A tool you own still needs an operating routine.
A sensible starting stack
Begin with tools you use repeatedly: tracking links, rotators, capture pages, and campaign organization. Keep backups, document configuration, and avoid collecting data you do not need.
The practical decision
Self-host when control is important and the maintenance is understood. Use managed services when speed and delegated operations matter more than customization. A mixed stack is often the best answer.