I have high expectations that bitcoin will reach 100k but will it reach 100k without any major decline in price? Does it seem realistic that from 70k, bitcoin will continuously rise up?
no one can predict that bitcoin can reach 100k without a major price decline, it may or may not happen. but if we look back, maybe we will experience a major price decline before the halving or after the halving, and that will probably drag the price of bitcoin to a fairly low point. because it will not be possible for the price of bitcoin to continue to rise to 100k without a major price decline, but the question is when that will happen, because when that happens there will probably be many people who will experience losses.
It is true that it is difficult to predict the price of BTC, but it is not right to comment, that many people may panic in this price drop. There is some volatility before and after halving but this is normal. In this case you can keep buying the DIP but it will not better decisions to sell.
If you want to cover your loss, you can invest BTC by using DCA into weekly or monthly basis.