hedge one's bets
Definition from Wiktionary, the free dictionary
- (bookmaking) To place bets with a third party in order to offset potential losses.
- (idiomatic) To reduce the risk of making a mistake, by keeping one's options open.
2014 June 24, “Google Glass go on sale in the UK for £1,000”, The Guardian:
- Whether Glass will ever become a mass-market product, and smartglasses take off, is still unclear. Google is hedging its bets, however, with its new Android Wear and smartwatch initiative which is expected to be shown off at Google’s I/O developer conference in San Francisco later this week.