Not come/go amiss British phrase
Something would be suitable or useful in a particular situation.
A meeting would not go amiss to solve the problem.
A smile would not come amiss in this situation.
A cup of coffee wouldn't go amiss.
Someone who can help would not go amiss.
1. Work in exchange for food or accommodation
2. Be worth the expenses spent on someone or something
To be useful.
To appear correct, appropriate, or judicious; to be acceptable, agreeable, or permissible to one.
To be particularly useful or helpful.
Usually used in the form of would not go/come amiss.