The decision to build a crypto portfolio depends on your investment goals, risk tolerance and knowledge of the crypto market. Forecasting crypto market movements, including potential bear markets, is a very difficult task and no one can predict exactly what will happen in the future. Referring to the 2018 bear market, it should be noted that each market cycle has unique characteristics and is influenced by various factors. So it's important to pay attention to trends, perform fundamental and technical analysis, and weigh the risks as well as the potential rewards when making investment decisions.
In my opinion, Yes. it is and will not be the same as the phase of 2018. at this moment if see the market conditions are indeed correcting again and even if BTC rises it is not too strong. Those who trade BTC are quite decent and those who trade altcoins are quite noticeably declining assets, especially if BTC is slightly corrected.
I think this is the right moment to increase the load, but if we intend to hold and wait for a higher increase in the future, it will be worth it and even if you want to sell it when it is already in the profit category.