if no expense is spared in arranging something, a lot of money is spent to make it extremely good.

No expense was spared in making the guests feel comfortable.

• not out of the woods
• not pull any punches
• not put a foot wrong
• not put it past
• not put it past someone
• not room to swing a cat
• not say boo
• not see for dust
• not see someone for dust
• not see the forest for the trees
• not see the wood for the trees
• not set the world on fire
• not sit well
• not sit well with
• not sit well with someone
• not sleep a wink
• not someone's cup of tea
• not stand for it
• not stand the sight of
• not stand the sight of someone
• not stand the sight of something
• not suffer fools
• not suffer fools gladly
• not take a blind bit of notice
• not take anything for granted