I found this one at a fireworks stand. It should say GUARANTEED. 

Broker?? Really? Maybe the problems are more than financial. 

Wal-Mart Noodle Letters

"Fun in he sun" should be "Fun in the sun." This was from Benton, Arkansas. 

The second line of text contains an unnecessary apostrophe. There may be other errors.  I noticed random capitalization. 

Your/you're

Robin found this one in Little Rock. The your/you're mistake is one of my personal pet peeves! If you mean YOU ARE, use YOU'RE. The shirt reads, "If your scared, say your scared." It should read, "If you're scared, say you're scared." Yes, after considering that this made it to a shirt to be worn again and again, I am scared.

Fedoras doesn't need the apostrophe. Oddly, there is no apostrophe in t-shirts. They weren't even consistently wrong. 

Thanks to Frances for this one. HOMEBUILERS should be HOMEBUILDERS. 

I found this one while perusing the Arkansas Wild magazine. Unless there is a play on words that I am missing, PREPAIRING is misspelled. It should be PREPARING. 

There should be a comma after cannot. I guess those who can't also make buttons about those who can. Ha!

Repeated misuse of it's. 

"Your child" is singular. "Them" is plural. They do not agree. "Them" should be "him/her." "A child" is singular. "Their" is plural. "Their" should be "his/her." This one is from All for Kids clinic in Little Rock. 

Cracker Barrel. Unnecessary apostrophe. 

There are several mistakes in this one. THAT should be WHO since it refers to people. The comma after WORK is unnecessary.