Home haircuts can be stressful. You’re not a professional, you’ve never done this before and someone trusts you with their looks.
It’s a recipe for a big bowl of anxiety.
Since you’ve never done this before mistakes are inevitable.
In my opinion the way to remove the stress is not to focus on avoiding mistakes entirely but to have a backup plan.
Therefore should a mistake occur there’s a solution.
If using a hairclippers just go one level shorter and cover up the mistake.
Everything will be alright.
Fingers crossed you don’t make so many mistakes you turn the poor sod bald.
Thomas Duggan 