Some investments of time and effort provide significant benefits almost immediately. Others take a long time before they yield results, and some never pay off.

The type of results matters too. Some aren’t worth it.

In the financial world, it’s called return on investment (ROI). But in reality, ROI applies to everything. Anything you invest your time, effort, or money into can provide a return.

Don’t forget about happiness ROI.

Are you happy with how you spend your time?