Most beginners seeing Bitcoin at $29,747 today, the first thing that may likely come to there mind is that they should have invested all the money they have and rip the profits.
But however it would have been one the greatest mistake because in as much we no that Bitcoin is of a lot potential doesn't mean someone should invest everything they have.
Thinking like that, what they think is short term, buying at $26K and selling at $30K.
Actually, there is nothing wrong with what they want, but I think what is more relevant is that in the long term we will see how Bitcoin grows and see about the portfolio they have.
If someone spends all their money on Bitcoin, the burden will increase, what about their living needs, have they been met? Moreover, you have to pay attention to cash flow, so I don't think this is a big mistake, but rather that they don't manage the distribution of investments well.
I think everything must be able to balance investment and other needs.