Is this such a difficult skill that needs a dedicated in-depth post? I though this was the norm. I have always interviewed while having a job. In fact I would find it weird and risky to leave your job to focus exclusively on interviewing. Heck, often I have interviewed around with no intention of leaving my job, just to check the market and see if I still have an edge.
Yeah I'm currently job hunting while full-time working and found the implication that this is a difficult and unique scenario to be alarming. I can't quit just to job search because then I'd use up lord knows how much of my emergency savings. Can't collect unemployment if you quit (in my state at least).