0 short form of "bet you", meaning that you are very sure about something:
I betcha some of them even considered leaving the team.
My friend said, "I betcha if you set up and did this, you could make a living at it."
Betcha didn't know: sharks attack submarines.
"You can use that, can't you?" "You betcha."
For free or nearly free, you betcha I'd stand in line for it.