Here is a list of all the information you can read on this topic.
If you are living in the Netherlands without a residence permit, it is difficult to get housing. There are different kinds of reception centre you can go to. You can read about them on this page.
If you choose to stay in the Netherlands without a residence permit, you cannot earn money legally. This is why you have to watch out for human trafficking and exploitation. You can read more about this . on this page.
If you do not have a Dutch residence permit, it may be difficult to get healthcare. Nevertheless, like any other person, you are entitled to medically necessary healthcare. You can read more about this on this page.