You also pay full salaries if your relegation series goes the distance. So you take one hell of a hit for going three games.
As for game 3 of a title series being played for a benevolent charity, don't fool yourself. Those suitcases of the sheeples money that the suits goes strutting off with like they just exited the count room at a casino goes straight to the nearest "gentleman's club" where it is evenly distributed in the g-strings of the various e"entertainers" with the balance going into bottles of Cristal and Dom....or at least that's what I've been told