As Rupa Gosvami recommends, a devotee is not neglectful in worldly dealings. But at the same time, he deals with the material world only as much is necessary – not more and he detaches himself from the material world as much as possible.
Lecture on Real Success Stories Are in Srimad-Bhagavatam (SB 8.4.15; Ljubljana, Slovenia, 26 Dec 1998)