• Dont debate with anyone

• Dont tweet about hot takes

• KonMari your follows

• Turn off all retweets

• Block all accounts showing ads

• Follow less than 150 people

• Follow domain experts:

  • Get what they are working on
  • Get what they are complaining
  • Get tips constantly
  • Get cat pictures
  • Perform a keyword search under these people to get how people think about something at first-hand (buy something, trying something new, etc)

• Advanced Search

  near:japan within:500km since:2019-09-01
  

• Mute these to not see those annoying suggestions, only in app

  ActivityTweet
  RankedOrganicTweet
  generic_activity_highlights
  generic_activity_momentsbreaking
  suggest_activity
  suggest_activity_feed
  suggest_activity_highlights
  suggest_activity_tweet
  suggest_grouped_tweet_hashtag
  suggest_pyle_tweet
  suggest_ranked_organic_tweet
  suggest_ranked_timeline_tweet
  suggest_recap
  suggest_recycled_tweet
  suggest_recycled_tweet_inline
  suggest_sc_tweet
  suggest_timeline_tweet
  suggest_who_to_follow
  suggestactivitytweet
  suggestpyletweet
  suggestrecycledtweet_inline
  

Also check out How I use Twitter by Felix Krause.