The rate of the A S M s jamming is greatly minimized by placing a specially made small rectangular weight made to fit on top of the stack of cards.
My (most) regular store started using them and the change has been impressive.
The ASM repairman will never be as lonely as that Maytag guy...
Yeah they can't be cheap. Plus in conjunction with lease (if its not part of the deal), and the time occupied by PC of having to deal with them, not sure if casinos actually make more money ASMs or CSMs.