Many of us learned - quite some time back - that trading bitcoin tends to not work out very well..
That's a good one...I recently saw Adam Back's video where he explained why: if the asset is exponential in value, essentially, than if you trade it, you might not be able to get back (at least to the same extent).
I think this is the correct time of the vid where he says it:
https://youtu.be/o0Qe1CZssek?t=1879