What do medical sales reps like most about their jobs? March 24, 2016 By Brad Perriello 3. Bosses are the worst! As for the least-favored aspects of the job, 14% of those polled put “Management/leadership” at the top. Nine percent list “money” as their biggest peeve and 8% say travel is the thing they like least. Pages: Page 1 Page 2 Page 3 Page 4