Why can I only post every 4 hours?

At the beginning, your posting frequency is limited to one post every 4 hours.

The number of posts that you can create depends on your Sharesome Score:

Under 1,000 score -  Only allowed posting in topics every 4 hours or more.

Between 1,000 - 2,000 score - 3 hours or more

Between 2,000 - 3,000 score - 2 hours or more

Between 3,000 - 4,000 score  - 1 hour or more

Between 4,000 - 10,000 - 30 minutes or more

Over 10,000 - 5 minutes or more

Please read more about Posting Frequency here:
https://sharesome.freshdesk.com/support/solutions/articles/103000233694-how-do-i-set-up-my-posting-frequency-

Please read more about the Sharesome Score here:
https://sharesome.freshdesk.com/support/solutions/articles/103000101556-what-is-the-sharesome-score-