We are heading towards bear market and chances are that it will remain bearish for long time. Since market always take correction after massive bull run. Its good time to buy bitcoin and if you have spare cash then so invest in projects like CATA.
Yes its good time to buy bitcoin and other altcoins since prices are very ideal.
DCAing bitcoin at this moment is also good.
Grab Altcoina with care you may grab shitcoins.