Copay is a relatively recent term. It is not hyphenated. In general, short words like this are not hyphenated.
no.
Yes, "long-term" should be hyphenated when used as an adjective before a noun, such as "long-term goals." However, when used as a noun or after a verb, it is typically not hyphenated, as in "the plan is for the long term." Always consider the context to determine the correct usage.
Yes it should be hyphenated.
The term used as a descriptive term (adjunct) should be hyphenated (one-owner) but usually is not.
Yes, it should be hyphenated.
Yes it should be hyphenated.
Yes it should be hyphenated.
yes check-up should be hyphenated
It should be hyphenated.
Yes it should be hyphenated.
"Field" is not hyphenated.