I am a prescribing psychologist and just wanted to comment on this: Malpractice for prescribing psychologists is only around 100$ more than for standard psychologists, so you could have a small caseload of patients who need medication management, and it would still be worth it.
Also, the pay rate for prescribing psychologists in my state is way more than I would earn doing therapy or even assessment. For a standard 99214 + 90833 (moderate complexity medication mgmnt plus 30 mins psychotherapy,), I earn $250 from Medicaid Private insurances typically pay much higher than that.
So overall, even with a small caseload, prescribing is definitely a high return on investment skill set to develop.
Even more exciting, it looks like Vermont will be the next state to grant us RxP!