Animate quickly and efficiently using code! - Lean Tween

I just found this awesome tween engine for Unity 3D and now I can't live without it!
https://assetstore.unity.com/packages/tools/animation/leantween-3595

The promo video:
https://www.youtube.com/watch?v=-n3oP3Mcs9E

Tutorial videos:
https://www.youtube.com/watch?v=A3xISYK2Ci8
https://www.youtube.com/watch?v=SzJ7GUJTcP8

I even used this to do work I would usually use coroutines, such as disabling a game object after 2 seconds:

var seq = LeanTween.sequence();
seq.append(2);
seq.append(() => { gameObject.SetActive(false); });