look up any word, like cleveland steamer:
 
1.
means "You can bet money on that", showing that you are 100 percent agree with what another one has just said, and you think what he/she had said is true.
a player: We will beat xxx(another team) next time!
coach: you bet!
by Allen Zhang September 18, 2006
 
2.
Said when one is 100% for the cause, even if the cause is unknown. Also said to make the leader feel they have a persons 100% trust, even if not entirely true.
Jon: So everyone is good for it
Cody: (Waking Up)
Jon: You good for it Cody?
Cody: You Bet
by TLB4 March 01, 2009
 
3.
Yes, sure, surely.

You´re welcome.
Thank you. You bet.
Are you coming to the party? You bet
by Charly Days November 11, 2012
 
4.
You're welcome (informal, Upper Midwest)
Person 1: Thanks
Person 2: Yeah, you bet.
by CGuy March 20, 2013
 
5.
(the form you betcha is connected with rural image) certainly
Will there be challenges?, You bet. When will things improve?, Who knows?
by The Return of Light Joker September 24, 2011