Bilocation is not done as a trick. It is a portion of the means to greatly support humanity and all other beings and it builds upon extending which you can read about here and then here.
When performing bilocation you may be seen in the place to which you are extending by some sensitive people who can see, which you can study here and also here, subtle energies. This can happen, if at all, in a way where you appear as a younger version of yourself*.
Please refer to the writings on bilocation to learn more about it either to see if you can do it or more importantly to discover what it’s for. Goodlife
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*As a note here, the young look is often the way people appear after they die if, again, you are able to see them. Of course at that time they will be with their Guide.
