Assume that the future can change based on your actions, so any historical information that you bring along with you from the intervening 25 years may quickly drift out of the new realities history.
Edit: also assume that you can be given a healthy 21-year-old body if you want or take your previous self’s place.
Further, identification will be provided for you if you were not born at that time.
Future weed.
That’s true, a big sack of super dank 30% seeds would go a long way. Funny thing is we’d be just as happy with some of those old strains, so you could win again by freezing seeds from true NL5, Skunk #1 and so on in 1999.