i.e. pay $5 to go back 5 days.
The time travel is permanent and one-way.
Edit: this is a one time offer and your budget is however much liquid cash you have right now. Cards are accepted, though.
For non-Americans, feel free to convert $1 USD to your currency
That’s definitely a hard line in this thought experiment for me: the furthest I could possibly go back would be to the day my youngest was born.
I can’t intentionally will one of my kids out of existence. And I don’t have any enjoyment fantasizing about if I could at any rate.