Learning .NET Core can be challenging due to the vast amount of information. However, starting with C#, F#, or Visual Basic can provide a solid foundation to ease the learning process.

The difficulty of .NET Core depends on your background and experience:

1. Learning Curve: If you are new to programming or come from a non-Microsoft technology stack, there might be a learning curve. However, if you have experience with C# and the .NET Framework, transitioning to .NET Core should be relatively smooth.

2. Documentation and Community Support: .NET Core has extensive documentation and a supportive community, which can make learning easier. Microsoft provides detailed guides, tutorials, and sample projects.

3. Modern Features: .NET Core includes modern features like dependency injection, asynchronous programming, and cross-platform support, which can be challenging but also rewarding to learn.

4. Continuous Learning: Like any technology, .NET Core evolves, so continuous learning and staying updated with the latest features and best practices is essential.

5. Community and Resources: Take advantage of the vast array of resources available, including online courses, forums, and community events. Platforms like Microsoft Learn, Pluralsight, and Stack Overflow can be invaluable for learning and troubleshooting.

6. Practical Application: Apply what you learn by building projects. Practical experience is crucial for understanding how different components of .NET Core work together.

7. Mentorship and Collaboration: If possible, find a mentor or join a study group. Collaborating with others can provide new insights and make the learning process more enjoyable.