“Have an ace up your sleeve”

“When it rains, it pours”

Problems often happen all at once.

“The calm before the storm”

A quiet period before trouble or intense activity begins.

“Tighten your belt”

To spend less money than before.

“Touch base”

To make brief contact or communicate with someone.

“Under your nose”

Very close and easy to see, though unnoticed.

“Weather the storm”

To survive a difficult period.

“The ballpark figure”

An approximate number or estimate.

“The final straw”

The last problem that makes a situation unacceptable.