There's pros and cons to term life insurance just like most everything. The good thing about it is that it's usually more affordable than a permanent life insurance product like whole life or an IUL. The downside is that it expires typically after 10, 20, or 30 years depending on the length of your term.
It's a great product to protect your mortgage. Take a look at this article on mortgage insurance.
If you're a real estate agent or loan officer, partnering up with a life insurance agent is a great way to protect your clients' mortgages. Read more about that here.