Originally Posted by
mikeybikes
I carry just a spare tube during my commutes and patch the flat tube when I get home.
+1 Except I carry 2 tubes and a patch kit. I buy the cheap patch-kits at Wally World or Target and always make sure I've got an unopened tube of cement. They'll dry out over a period of time. Mostly, I roll on flat-resistant tires which has lowered my flat rate to about one every other year.