Answer:
Would you cut back on making repairs and keeping the building in a safe and
livable condition?
No, I would maintain the building as good as posible.
How might you keep the building in good shape and still turn a profit?
the value of the building will increase over time. Then, is a matter of patience to make a profit out of the sell of it.
Is it possible to manage the building or change it to make it both livable and profitable?
yes, What usually happens with rent control properties is that the landlords use the building for commercial or create condos use to avoid the law.