Portals are useful and expensive at the same time. You pay to appear, and you appear directly beside every competitor selling something similar.
Most agents will keep paying a portal for reach. The difference is having somewhere of your own to send people, so the relationship doesn't end when the listing does.
Pick from 550+ templates and let the AI fill it with your business. Hosting, SSL and the domain are included, so there's nothing else to buy or configure.