About the "daily follow-up limit" for paid plans
The limit on the number of followers and unfollowers of paid plans is not set by Twitter, but by SocialDog.
Even if you have a paid plan, you can't exceed the limit on the number of times you can follow or unfollow someone on Twitter.
For example, Twitter has a limit of 400 followers per day, but this limit cannot be exceeded.
You can link multiple Twitter accounts to a single SocialDog account.
The number of followers and unfollowers on SocialDog is calculated on a per SocialDog account basis, so for example, each account can have 100 followers, or a total of 1,000 followers for 10 accounts.