If you want to invest for long term....It depends on your capital and how long could you wait because  nobody knows when this bear market ends. Also just invest in top 10 cryptocurrency in the market or those with high potential to grow in the future. Long term investment is not easy, you need to be careful and patient while waiting the bull market or the rigjt time to earn profit from your investment. Although, it's good to accumulate more coins now, always be careful and just invest the amount that you can afford to lose.