The document outlines 5 common mistakes that network marketers make: 1) Lack of team spirit by not working cohesively with their team; 2) Misleading prospects by not being clear about business opportunities; 3) Lack of focus by switching between multiple companies instead of committing fully to one; 4) Disregarding personal development which is important for building mindset and skills; 5) Being easily swayed by rejection and negative outside influences instead of staying optimistic and educating themselves. The key is to avoid these mistakes by focusing on developing the team, being transparent with prospects, committing fully to one opportunity, prioritizing personal growth, and maintaining a positive mindset despite rejections.