guess I have been lucky but never had a flat. I also don't carry anything, except a cell phone, to fix a flat.
I am a complete novice on this. What exactly should I carry? ....
Uhhh, , , , -who do you call to fix a flat tire on a bicycle? Does AAA cover that?...
-Anyway--I have two bikes.
My long-distance bike has spare tubes, pump, patch kit and tire levers, though I don't need the tire levers myself--they're mostly if I need to help someone else with a bike that needs them. This bike has Kenda Kwest tires on it which are a medium-weight/thickness.
On the short-distance/commuting bike, I have flat-resistant tubes (double-thickness tread area) and flat-resistant tires as well (Schwalbe Marathon Plus). I have a pump and patch kit for it but often don't bother carrying them. This wheel setup is very flat-resistant, but it is rather heavy and rolls pretty sluggish. I originally expected to change my long-distance bike to the same tire/tube setup, but decided against it after I had rode the MP tires for a while.
One thing I have noticed while riding with people who do not ride frequently, is that they tend to suffer flat tires way more than I do. When riding along a street they tend to ride as far into the gutter as they can, in order to stay as far from passing cars as possible--but this means that they are also always riding through the WORST amount of roadside debris. So I guess the best way to avoid flat tires is to avoid riding in the gutter as much as possible.
I carry 2 tubes and a folding tire, and aluminum levers. I've been on group rides when someone tore a sidewall and couldn't repair it so I managed to squeeze everything into my bag. Some seasons I'll have several flats, other seasons I won't have any. I can't remember when I had my last flat, maybe 3 or 4 years ago.