It should be hyphenated.
Yes it should be hyphenated.
Yes, it should be hyphenated.
yes check-up should be hyphenated
Yes it should be hyphenated.
Self-made should be hyphenated.
Yes and no. The out-of-plumb wall should be hyphenated while the wall was out of plumb should not.
"Field" is not hyphenated.
Yes it should be hyphenated.
No it shouldn't be hyphenated.
Yes it should be hyphenated.
Yes it should be hyphenated.
Yes, "low-to-intermediate" should be hyphenated when used as a compound modifier before a noun.