Should an investor care about the liquidity of his investment portfolio?

Liquidity refers to the ability to convert to cash, at the fastest time and at the lowest cost. If converting an asset to cash takes an inordinate amount of time, or involves incurring a high cost to complete such liquidation, we can call that asset illiquid.

from Wealth-Economic Times https://economictimes.indiatimes.com/wealth/invest/should-an-investor-care-about-the-liquidity-of-his-investment-portfolio/articleshow/80893771.cms