Funny Stickers

what si the funny about these bumper stickers ?

1) if you do not like the way i drive , stay OFF the sidewalk .
2) sometiimes i wish life had subtitles .
3) missing : husband and dog . attention : $100 reward for dog .
4) change is inevitabe-except for vending machines .
5) i is a college student .
6) welcome to Oregon . NOW GO HOME .
7) eschew obfuscation .
please answer all the numbers . must funniest answer will be choossen as the best answer .
HAVE A NICE TIME .

Irony fills the bill for all of them..

Helmet Sticker #119 ‘CAN I TOUCH YOU WHERE YOU SMELL FUNNY’ $1.00