Now is the right time to buy bitcoin because the price is decreasing because the holders are dumping their bitcoin, they just give you a chance to get bitcoin in cheaper price, you must use this chance as good as possible to invest on bitcoin.
Yeah no doubt it is the right time for investment in bitcoin due to low price. If the price increases in the future you can make good profits, but keep in mind that there is risk involve in bitcoin investment because of the high volatility in the price. If you are cool minded and can bear the loss then bitcoin is the best option for your investment for long term.