For example, if you buy a guaranteed level term life insurance policy for $500,000 of coverage with a 20 year term at a rate of $50/month at age 30, you would be paying the same rate at age 50 as you were at age 30. If you passed away during those 20 years, your beneficiary would receive the full $500,000 death benefit.
Here's how to compare guaranteed level term life insurance rates online from several highly-rated insurance companies.