Size of the Player
A Player containing a single simulation of around 40 Frames will take up approximately 13 Mb of disk space, spread over around 1,100 files. Each subsequent simulation of a similar size will add approximately 1.5 Mb to the Player, and another 50-ish files.
This is very approximate, and there are many other factors to consider (linked Web Pages, Packages, number of Outline Elements, and so on). However, it is a useful apoproximation for planning purposes.