Socialize. Especially when you’re getting started, you need to establish contacts who are already immersed in the business. They can act as mentors, keep you up to date on industry changes, and even help you land your first or subsequent job. Look for the local chapter of the Association for Healthcare Documentation Integrity (AHDI) in your area and join.
If you have a good idea for an app, and the skills to create it, then producing your own premium app can be profitable. However, with so many free apps available, it may be hard to convince people to pay. If you want to go down the premium app route, consider having a basic free version to encourage people to download the app in the first place. You can then provide the option of upgrading to a premium plan once users realize how useful the app is.