Bitcoin Profit-Taking Techniques:

- Use a staggered profit-taking approach by dividing your profit targets. For example, sell one-third of your position when the price reaches the first profit-taking point, sell another one-third at the second point, and sell the remaining position at the third point. At the same time, gradually move the stop-loss line upwards based on price trends. After the first profit-taking, set the stop-loss line above the cost price by a certain percentage and subsequently adjust it to be near the average profit price of the sold position.

Ethereum Profit-Taking Techniques:

- Once the price enters the profit-taking range, sell gradually based on a certain percentage. For instance, take profit on 25% of your position when the first target price is reached, and take profit on another 25% when the price rises to a higher expected level, adjusting the stop-loss position accordingly after each profit-taking.

Common Mistakes:

- Hesitating near profit-taking targets and missing the best opportunity due to greed.

- Adding to positions against the trend when reaching expected profit-taking levels, increasing trading risk, which can lead to the disappearance of profits or even significant losses.

In summary, operate according to a reasonable profit-taking strategy, avoiding greedy and blind behaviors to achieve stable profits and control risks.