To list advantages :

One  major advantage of ......... is ........

Another advantage of .......... is ........

A further advantage of ......... is .......

An additional ( major ) advantage of ...... is .......

The main advantage of ........ is .....

The greatest advantage of ....... is ......

The first advantage of ......... is .......

 

To list disadvantages :

One major disadvantage of .....

Another disadvantage / drawback of .......

A further disadvantage of ........

An additional ( major ) disadvantage / drawback of ........

The main disadvantage / drawback of .........

The greatest disadvantage of .......

The most serious disadvantage of .........

The first disadvantage / drawback of ........

Another negative aspect of ...........

 

To list points :

Firstly / First / First of all / In the first place / To begin with / To start with /

Secondly / Second / Thirdly / Finally