Even for something simple like plugging or patching a tire you need knowledge and expertise to really do it WELL and to know when NOT to do it - and most DIY ki

Even for something simple like plugging or patching a tire you need knowledge and expertise to really do it WELL and to know when NOT to do it - and most DIY kind of guys just got some "lore" (often wrong) passed down and follow it blindly... and then you blow a front tire on the highway and go off the deep end. No thankyou very much.