There's a self-help book about this concept:
The Slight Edge: Turning Simple Disciplines into Massive Success and Happiness
In a nutshell, The Slight Edge is over a 250-page exhortation of the power of making small decisions that accumulate over time into a significant difference.
Every 6 months without fail whichever car insurance company I am with raises my rates. My car depreciates in value the whole 6 months and is now less valuable and therefore less costly to replace and yet they raise my premiums. So, every 6 months I have to play this game and switch to another company. Then when you call them to cancel they act disappointed and ask why you want to cancel. Duh!!!