6. The More the Best
I do this all the time, not only to selfies, but to any pictures. I usually take two similar photos to make sure at least one is what I wanted.
And you should do the same thing. Because the more you take, the more pictures you have to choose from.
It’s okay if you can’t get it the first time, because the best selfies are those that take time and preparation.
Play with the camera and take tons of photos, then it will be easier for you to choose the better picture(s).
Another useful tip is to use the rear camera because it has a better quality than the front one.