Doing your portfolio can become a nightmare. There's just too much to do.
Sometimes we can get stuck because we don't know how to organize the execution, or we feel that something is missing but we don't know what it is.
In the process of applying to grad school, I had to make several versions of my portfolio, according to the specific requirements of each institute. They varied in the number of projects, format and focus areas. So I had to rework a lot of things, but always making sure I met the deadline.
Here are my top tips from going through the grueling process myself, and doing a lot of research on the topic.