It is not a portfolio. It is a price list with a personality.
Built to impress the wrong person
Most freelance sites are built to impress the wrong person. Clients do not come to admire them. They have a problem, and they want to find out fast whether you are the one to fix it.
Every site builder sells "look professional". You end up with a site that looks like everyone else's and ends at the same contact form. A contact form is a conversation with no price in it. The client has to start it, and most of them will not.
The design decisions are also why so many freelancers never launch. Themes, layouts, fonts, a hero image. Weeks of choices before anyone can hire you. Or you have a site from 2019 that you are scared to log into, with a contact form that has caught two spam bots and one recruiter.
What Yoursellf does
It strips the site down to what the client came for. What you do, what it costs, and how to start. There is nothing to design, so you can launch today instead of spending weeks decorating.
One page, with almost no design decisions. The work is describing what you do and putting a price on it. Pages and posts hold the rest of what you want to say, so the page can be plain without being thin.