solid, additional warhorn after contraption is very helpful.

Yeah it is hard to write a correct guide since most of the time it is situational, but I do agree with you as well.

I agree with most of this, but i'd say with your invading comments that
1. Invading early is always good(if it can be pulled off)
2. if you invade at the right time and you can steal there jungle camp target that first( this applies if it has 1-2 hits left, and as cath they are going to focus you cuz your jungle should be behind you)
3. once/if you steal then you focus jungler if he is low health, because usually the support is lower health and can be killed faster then the jungle, allowing for the double
but then again most of this stuff is general and if it is in the right spot at the right time.