have two strings to (one's) bow

To have multiple ways to accomplish something. At least you have two strings to your bow, since you can always contact your aunt if the recruiter from HR doesn't call you back.

Common Names:

Name	Pronounced	Usage
Epaphras	EP-ə-fras (English)	Biblical, Ancient Greek, Biblical Greek, Biblical Latin
Montgomery	mənt-GUM-ər-ee, mənt-GUM-ree	English
Brown	[braun]
Charline	-	French
Jen	[dʒen]
Jyoti	-	Indian, Hindi, Marathi, Bengali, Assamese, Nepali