I am a bit confused on what the Help manual states about hslider:

"For changing the slider range at runtime, use a min and max range of 0..1, and multiply var with the desired maximum value."

So in the case of:

...should I do this instead?:

Keep in mind that transf_amt is the maximum value that I want the horizontal slider to have at run time. The variable "transf_amt" equals the maximum quantity of one particular type of item that the player is capable of transferring from one inventory bag to another at any given time.