A 9-year-old boy made the world a little brighter after he donated his only dollar to a man he thought was homeless ... and revealed the single bill - which he earned for getting good grades.

A twenty doesn't buy what it used to, but some rare 20-dollar bills can actually be worth a lot. Knowing what to look for can ...

You'd be forgiven for thinking that Dollar Bill was at least a three piece - he plays drums, guitar, harmonica and sings all at the same time. There's no slow-paced Blues depression songs here ...