I'd bet money

I'd bet money (on it).

Fig. I am certain. Charlie: Do you think Joe's planning to sell his house? Tom: I'd bet money on it. I'd bet money that Jane will get that job.
See also: bet, money
References in periodicals archive ?
(http://www.ibtimes.co.uk/articles/463762/20130502/eu-referendum-uk-immigration-london-chamber.htm) (http://www.ibtimes.co.uk/articles/463838/20130502/eu-referendum-uk-richard-ottaway-foreign-affairs.htm) Richard Ottaway MP: I'd Bet Money on UK Staying in EU Despite Referendum
I'd bet money that most of HUNTING's readers would fit quite neatly in this, the broadest slice of the huntsman's pie.
And yet I'd bet money that the news will not be greeted with even a murmur of opposition in Nuneaton, or in any other town in the UK.
And I'd bet money that the car's front represents Citroen's new corporate face.
In three years' time, I'd bet money on the Carisma holding its p rice better and being worth more.