29. Absentee management. Set no goals and assign nothing, yet give people the vague sense that they are always behind. Combine slack with a sense of foreboding.

30. Advertise a position as advanced and interesting -- quant work, machine learning, GPGPU, distributed systems, etc. -- then hand your new hire a 15 year old heap of stinking web CRUD written in Perl and 1990s-style JavaScript to maintain.

(Both from my own personal experience.)