Planning is really hard. My best guess is bitcoin price will go up fast soon and then down fast and then up slowly and then up fast…
Bitcoin doesn’t make timing the paying for college in 2 years easy. I think I’m best served keeping credit available to borrow for a year or two of college expenses and wait for proper bitcoin lending to develop (and to my knowledge, all bitcoin lending programs existing today by definition trigger a capital gains tax because you transfer custody and ownership to secure the loan).