Udimi doesn't offer you earning money directly. Udimi is a safe place where you can buy or sell advertising. Here you will easily find other online marketers in your niche with thousands of subscribers. So, If you have any products, services, or something you need to promote online, you can buy traffic from here.
Udimi is all about online marketing. If you have not been into this industry, I suggest investing more time doing a good research on the internet on how it works. This process may not be simple for beginners, but with enough experience.