For most mixing engineers, vocal editing is an unpleasant task that is often delegated. However, it is the editing of vocals or raps that separates the wheat from the chaff. This makes it all the more important to know exactly what to look out for.
Especially in the main track, poorly cut transitions are immediately noticeable. Therefore, one should not make a mistake here. However, since a song is rarely sung through from front to back, this has to be concealed.
If you do the recording yourself, ask the artist to sing at least two bars of the previously cut take. This usually makes the transition look more natural and fluid. Another reason for this is that you have more leeway for the necessary editing.
Setting the perfect cut is sometimes not so easy. Sometimes a sentence beginning or a word in the middle of a sentence is suitable. In my experience, you can cut the material well at the sound of consonants (K,P,S,T). These are difficult to adjust in pitch. That is exactly why they are suitable, because they usually sound very similar to the same. By the way, the most suitable are decaying S sounds.
On the other hand, I would advise against cutting in vowels (a,e,i,o,u). Exactly with these you form the melody. Thus, the variations are virtually infinite.