Minor chords can be easier than the major chords we’ve learned. However, they sound very much ‘sad’ and are therefore less common than ‘happy’ major chords.
E minor and A minor chords
Most people find D minor MUCH tougher, especially for changing. This is fine- it is rarely used until higher level songs, where it is still rare. It’s still an essential chord but its fine if it takes a little longer than the other two.
D minor chord
It's important to begin to recognize the sound of the chords you are learning. For example, minor chords sound sad when compared to the happy sounding major chords.