In theory, any site can be monetized: information, news, commercial. But in practice, monetization will be successful only if there is sufficient traffic and a properly selected monetization method. For example, with a small number of visitors, you are unlikely to get a good income from the placement of contextual advertising or banners. But if your small audience has value in the eyes of direct advertisers, then you can make good money by publishing sponsored articles. You will find a lot of good advice here.