It is usual to give your view first and then deal with the counter-arguments .

Counter-arguments are ideas which are similar to your ideas.

Personal phrases such as in my opinion or actually, I think are  appropriate integral components of discussion.

The discussion can be organised either by grouping the benefits in one section and the disadvantages in another, or by examining the subject from different viewpoints.

To discuss benefits and disadvantages of the topic one may use  antonyms and words wuth opposite meaning.

 Writing definitions, studying causes and effects are features of many  essays.

 A paragraph is a group of sentences which deal with a number of different  topics.

One sentence is enough to make a paragraph.

 Preparing a topic outline, use appropriate headings to ensure that all paragraphs are relevant to the preceding heading as well as to the composition as a whole.

Effective organisation involves working to a selfimposed timetable.