12 Ways Retirees Can Make Money Through Passive Income

12. Create an app

Maybe yours is one of those minds that says, “There should be an easier way to do (whatever) — and I think I know what it is!”

If so, creating an app could bring in extra income.

It could also bring in zero dollars. But nothing ventured, nothing gained, right? Just as with e-books and online courses, any expertise you have could be desperately needed by others.

Personal finance writer Jackie Beck, who cleared $147,000 worth of obligations, used her expertise to create an app called “Pay Off Debt.” Since its 2009 launch, the app has earned her $400 to $5,000 per month.