Spam is not appreciated by the community and could be flagged or may result in action from the cheetah bot.
Some things that can be considered spam:
- Banner ads
- Referral links/codes
- Links to known scams, phishing sites, and other dangerous links
- Repeating the same post
- Repeating posts with random, nonsensical words/content (gibberish, Lorem Ipsum, etc.)
More Info: Abuse Guide - 2017.