"To invest the difference" means to take the extra money you have saved or earned and put it into an investment. Instead of spending the additional funds, you choose to use them to grow your wealth over time. Full definition
Term life insurance can also make sense if you think you can do better by investing the difference in cost between a term life policy and a whole life policy. (studentloanhero.com)
A term life policy holder can get a better return by investing the difference between the premiums in a 401 (k) plan or other investment account. (chooseterm.com)
But I decided to turn my life around by doing three things: increasing my income, decreasing my expenses, and investing the difference into high - quality assets. (dailytradealert.com)