As soon as she finds herself up, you can close your position with a tiny profit.
What matters is
1. Not getting liquidated, so you remain in play
2. Having a fairly long time horizon, so she has time to float in her preferred direction (uppity).
I wouldn't do perpetuals because in general I don't short. If longing perpetuals, you almost always pay interest, as I explained in the quoted post.
Is it even possible to be more happier than 89.7x profits in 11-ish years?
Yessir it is, much very happier.
Think if the 89.7x profits were not in fiat ($1 becomes $89.7) but in corn (0.01
BTC becomes 0.897
BTC)
This said, I do not advise trading except
with a little throwaway play stash.
I certainly do not advise SHORTING.
Of course you can't be bothered with this risky, sweaty business
you've reached your accumulation goals.
0.63
BTC is nothing to be sneezing at
If you think about it, even with all of your lovely math, you said that you were losing on longs