If follow this video it will going to take a longer period to process PSV license.

Medical check up > PSV courses and exam > Puspakom check (if require) > Submission of form to JPJ > Obtain PSV license from JPJ on another day

Medical check up can be done anyday anytime, PSV courses and exam 1 day easily, puspakom check another half day like that, submission of form and obtain form another half day, easily cost another 2-3 days for part timer, on top of that RM800 extra cost.