I'm liking the "going back to when I was 6 with all the knowledge I have now" option, but in reality 6 year old me would probably be too immature to know I need to remember it and by the time I needed to use that information in any sane way it would have been long forgotten.
I mean some people are saying get bitcoin early days, but 6 year old me was at least 10 years off Bitcoin existing.
It would also really suck knowing how easy it was to obtain information in the future only to be stuck in the past and barely have access to the internet at all.
I think people underestimate how much the physical state of your body, ie hormones brain structure etc play in how you make decisions.
When I was a lad I almost always knew I was making the wrong decisions but felt powerless in the moment to stop myself. I also had basically no concept of the future as a real thing that would happen and could be planned for until I was like 27 or so. Like the logical knowing things part of my brain knew the right moves but the doing things me rarely consulted with knowing things me.
Not to mention that kids have a serious lack of control over their own destinies.
I honestly think going back in time with all my memories is one of the worse hells I can imagine. Just doomed to watch myself fuck up in similar ways again and hope that it all works out "OK" this time too.