NO... thats wrong. I would not accept any leaking as part of vaping. None of my subtank mini's, kayfuns, protanks or Merlins(they seep) leak at all, they never have. I don't want to come off as gruff but its the wicking 99% of the time causing leaks or the use of factory coils. Too much wicking sitting against the wrong place promoting juice to move thus IMO creating drops at the coil that run down the airflow. I would be reevaluating my wicking techniques until I got it so it doesn't leak.
My attys can sit for days unused standing up on a hitter or a stand and never a drop leaked. I did have problems with TFV4 RBA leaking long ago, enough to shelf the atty but I solved that with tail thinning and trimming the wick into a kinda point to go into the channel.