Is there any videos that go into depth on situations based on stack sizes?

For example I've heard a lot of instructors say things in their videos like:

-18bbs utg+2 with XX hand here is a clear shove

etc

Sounds to me like this is push fold strategy.  How can I start to learn what's good to do with various hands based on BBs.  Seems like a lot of decisions hinge on how many BBs you have.  I'm guessing there is a lot that's taken into consideration, with things such as ICM, stage of tourney, how much percentage of your stack in relation to the blinds it will cost to play, 5-10 rule when calling etc....

Cheers!