first: spay her.  this will PROBABLY help to cut down on aggression issues with the  new cat. second: go younger.  older cats seem to accept younger/smaller cats better. third: i would wait until after the move, just because bringing home a new cat prior to a move is a LOT of change for that cat to handle, and you’ll want introductions to be slow (at least a couple weeks of no-contact aside from sniffing under a shut door).   in the interim, research methods of bringing a second cat into the home.  there’s a lot of info out there, and… Read more »