The most natural fields are the ones that work with feeling, image and the human being in front of you. Music, poetry, literary translation, the directing of documentary and poetic film, photography, the design of homes and clothes. Venus in Pisces reads beauty in its less obvious forms with surprising accuracy: it can dress someone so they look better than themselves, or set up a room where guests stay an extra hour and can't quite say why they didn't leave.
The caring professions sit well too — psychology, especially trauma work and art therapy, palliative care, teaching small children and people with developmental differences, charity. Here the very thing that's a liability elsewhere becomes the main tool: the compassion, the capacity to take a person in whole rather than in the parts that are convenient. What looks like over-softness in a boardroom turns into exactly the right instrument at a bedside or in a studio.
It goes harder in work that asks for cold calculation and an aggressive defence of one's own interests. Straight sales, pressure negotiation, corporate politics, law in its harder forms — here the Piscean softness gets read as weakness, and the person either breaks or ends up playing someone else's role, which leads to the same burnout by a slower route. It isn't a lack of ability; it's a mismatch of medium, and the kinder fix is usually a change of medium rather than a change of self.
In my experience it works best when there's someone alongside holding the financial and organisational side: a manager, an agent, a producer, a life partner with an earthier chart. That frees up the real gift — to make beauty, to comfort, to inspire, to notice the fine grain of things. Freelancing without that kind of support, this Venus often sells its work for less than it's worth and then blames itself for being 'no good with money'. I'd put it differently: it isn't that this person should learn money on their own — it's that they should learn to accept help without the shame. Those are two very different skills, and the second, happily, is the one that can be picked up.