The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Solution - Cost Restriction in Soli

The video tutorial guides viewers through writing a cost modifier and implementing it in a function. It begins with an introduction to modifiers, followed by creating a cost modifier that requires a certain amount of ether. The tutorial then demonstrates how to implement this modifier in a function to change the contract owner. The video concludes with finalizing the function and encouraging viewers to practice more for better understanding.

What happens if the provided ether is not enough according to the modifier?

What steps does the teacher suggest for improving understanding of the concepts discussed?