How to Plumb Two Sinks for One Drain

Today we are plumbing two sinks for one drain. You may want to install two sinks instead of one when retrofitting a bathroom. The vanity manufacturer you purchased assumes you have all the expected drains, so they built the unit to accommodate proper plumbing. But one drain is more than enough to remove all of the water from both sinks. Modifying the vanity and the plumbing is on you. And yes you can do it!