keep your options open
keep (one's) options open
To refrain from making a decision or commitment that will limit one's choices in the future. You're awfully young to be getting married. I just think you should keep your options open until you're finished with college. They've offered me a good salary if I stay with the company, but I think I'd like to keep my options open.
keep (or leave) your options openavoid committing yourself.
1996 Colin Bateman Of Wee Sweetie Mice and Men Have it your way. We'll go to Princetown. But I'm keeping my options open. If there's any more trouble…we're out, we're home.