To make sure your start is as smooth as possible, please make sure the following plugins/services are in place:
n8n allows you in a very smart way to connect your apps and services with ease. Their automation is offered in various ways, including a self-hosted version.
Advanced Custom Fields
Advanced Custom Fields is a plugin for WordPress that allows you to visually manage custom metadata for WordPress. It is supported by a great community and used on a majority of WordPress sites.