The context of the following conversation is Jesse was locked out of his car, so Lee brought him a spare key.:
Lee says I had to make an emergency drive downtown yesterday..
The friend responds What for?.
Lee responds Jesse locked himself out of his car..
The friend responds Why didn't he call a locksmith?.
Lee responds He called me because I have a spare key and locksmiths are expensive..
The friend responds I bet you saved him a lot of money..