On 1/6/2016 11:41 AM, CRNG wrote:
On Wed, 06 Jan 2016 09:16:18 -0700, Don Y
wrote in

We can drive the 2 miles to Costco to have *them* put 95% N2 in the tires.

They do that for free?

Yes. A "membership benefit".

If you purchase tires from them, they will also rotate and fix
flats for free (though there are other "tire stores" who will
do likewise).