When measuring, the old adage "measure twice and cut once" can be excellent advice. Pros, however, have their own variation; they usually only measure once, but then will read the measurement twice. They will mark the cut line, then cut the wood just so the saw kerf is touching the line.
Arrange appliances so foot traffic does not interfere with the cook’s work. Keep the refrigerator accessible to kids while steering them clear of the “hot zone.”