The cost of a thing is the amount of what I will call life which is required to be exchanged for it, immediately or in the long run.
– HENRY DAVID THOREAU
This Quote fits quite well for your UPSC journey.
Whenever you’re taking any action or inaction, external or internal, always utilise the essence of this quote.
Anything which eases your UPSC journey has a low actual cost.
Anything which complicates and troubles your UPSC journey has a high actual cost.