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
Keep giving them 1 penny and then tracking them down. Do this for most of your life until you are pretty young, and kidnap them. Then you can just relive your life over and over as many times as you want. I mean, sure, it’s not the ethical way to use their power…
Oooo, that’s even better - all you have to do is find them within 14 minutes at most.