Question: Paint your cabinets.
Option 0: This requires some work. First clean your old cabinets. Remove knobs or handles. Use plaster on them, fill in any holes and cover marks. Once that is done paint with color of your choice.
Option 1: This requires some work. First clean your old cabinets. Remove knobs or handles. Use Kilz primer on them. Once that is done paint with color of your choice.
Answer: 1