If you have enough money to buy 1btc, its worth to buy it. Unless it don't gain much profit in btc. You can buy ETH, BCH and LTC instead. Top 20 cryptocurrencies in market now are worth to buy, it will quickly cash out profit when market green. If you have small money, try to find a GEM, even in top 20 like $TRX $ADA $XLM $NEO.