I got two flats on one ride the other day. I tried patching my tube since my spare also had a hole and suffice to say I ended up walkin 9 miles with my bike over my shoulder.
I've followed the way the bike shop guy told me to do it exactly, and he sold me the same patches he uses so they work for somebody.
He said you have to sand the tube a lot. I did just that but when I walked out this morning the tire was flat again.
Any suggestion? otherwise I'm not riding for the rest of this month cuz I can't afford to get new tubes (or freakin flat proof road tires) right now because I'm moving and need every penny I can get.