What it would cost to move my Drupal website to your service, with SSH access?
It wouldn't take long for us to copy Drupal sites given SSH / FTP access. We generally give people SFTP and phpMyAdmin access but we have made some exceptions for people who need to be able to use Drush. For sysadmin type work like this, we charge by the hour: https://www.webarch.net/pricing
Then there is the annual hosting cost. Typically for the Database S package, see: https://webarch.net/shared-hosting#phpmysql