Idiom
You have to be a cool customer and be patient if you want to get the best buys.

Have a cool head
Be calm and not be excitable
Be uncommunicative
Be choosy

ANSWER DOWNLOAD EXAMIANS APP

Idiom
Will o' the wisp

To have desires unbacked by efforts
To act in a foolish way
To act in a childish way
Anything which eludes or deceives

ANSWER DOWNLOAD EXAMIANS APP