I trade one empty garbage bag to my wife for one full garbage bag I have to bring outside before 8:30 a.m.
My nine-month-old son trades one clean teething ring to put in his mouth for one toy that has been sitting on the floor for weeks, also to put in his mouth.
I trade the last piece of toilet paper for a new roll to be named later.
My wife trades me one baby to hold in exchange for two minutes to go to the bathroom.
In a three-way trade, my son trades his dirty diaper to my wife, she gives me his pooped-on shirt, and I give him a clean diaper and a sort-of-clean shirt.
My wife trades me her supermarket loyalty card in exchange for me going to buy groceries.
My son trades the meal he just ate for seventeen paper towels to clean up the floor he just vomited on, and a bath.
I trade sleep for having had a child.
My wife trades me for someone who can thrive on much less sleep.
My son trades all of his toys for a delicious piece of a used napkin, because they both have the same value to him.
I trade the mention of Justin Masterson and Jon Lester for a baby to lull to sleep, because clearly if I have time to read baseball headlines, I am not busy enough and should be the one getting the baby to nap.