I sell used furniture. There's no getting around that.
I was on site today for my first sizable installation of workstations--there to go over the design plan with the installers, watch the offload process, learn and ...clean. By the time they get to the next customer, workstation components will have bumps and bruises and be in need of a cleaning--but at less than a third the cost of new (and green too!), that's ok.
Boogers, however, are not ok.
Someone sat at their desk for years (literally years), picked their nose and wiped it on the bottom of the pencil drawer. The flaky, crusty, smearing mess was spectacularly on display when the desk was staged on its end as it was being moved into it's new home. And yes, I had to scrub brush it off.