Some students may find it a challenge to complete their coursework without seeking help with certain elements of it. Whether it is just about assignments or it has to do with the entire program of study, you will be able to find help regarding it on different websites. You could get started with sites like Chegg and course hero.
These two are among the most popular services that students are registering with and benefiting from right now. You can read reviews on these two services from different websites. For example, see this site for reviews about Chegg and course hero. You may want to establish what your needs are as far as coursework help is concerned.
Every student is different would require a different help type. If you are not sure what you need such a site for then better avoid it by all means as you will simply be losing money. What you should do is establish your requirements first and then compare different coursework help services to find the best match for it.
Once you find a decent website, try it out for free first as they tend to have certain areas that may be accessible for free. You should only start paying when you are confident you can find everything you need on the site.