Bitcoin price doubles about three times a year on average, and will keep going up at this rate until the final growth slowdownWish I had Bitcoins in 2009...
I urge you to invest whatever more you think is prudent NOW.
You can ask Bitchick, we have invested as much as we can afford to lose (and probably a little more than she is comfortable with).
You both are so fortunate to completely share this amazing adventure.
When I performed parameter sensitivity analysis on the hand-fitted logistic model, I found that the rate of logarithmic growth is the about the same regardless of the value of the maximum-bitcoin-price parameter. So no matter where it ends up maxing out, the price will get there doubling about three times a year on average.
I know. I was the one that asked somebody to do it to begin with because I was busy that weekend.