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(+1)

Hi there, jets1234. Sorry for the late reply. For future reference issues like this are much more visible to me on my Github page.

There is indeed a simple solution for the size of your maps: Whatever Pixels Per Unit setting you are using for your sprites must be used  for your tilesets and maps too. 

You can set PPU on a per-map or per-tileset basis or you can change them for every asset in your project in the project settings ...


Camera settings are another story though. It sounds like you're trying to auto-fit your camera every time you resize your map (that isn't common, I think)? For that you're going to have to write some custom scripts for your camera.