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.