Plus you don't take on any liability nor loss of profit by underestimating or having to unexpected pair costs. 

I have 2 pairs of boxing gloves and 2 sets of headgear.

@Season Price in all honesty a good pair of sneakers.

You might not find one in Akron to carpool with, but maybe you can pair up with somebody along the way to keep down your gas consumption (and subsequent wear and tear, fluid changes, tires, etc.).

One of our guests left a pair of Salomon boots.

Black appliances can look sharp paired with a complementary paint. 

If you're interested I think it pairs well with Getting Things Done by David Allen.

Our LLC is about to purchase a pair of adjacent duplexes that we plan to manage ourselves as part of our learning, as we are new to the industry. 

If you allow a pet, go in the unit or home 1 week later and check on the housekeeping and the animal's conditions, if the is an issue grow a pair and speak up and correct it, leave with the understanding that you'll be checking again or make another excuse like, I'm going to need to get in here to check the HVAC soon, I can call you a few minutes before I come as I'll just be swinging by when I can.

They will be a difficult pair until they're gone.