The cryptocurrency market has come to a point know one knows when bull run is going to take place, because of a unbelievable dipping in the crypto market, and it always occur unexpected, Bull Run coming is sure but know one knows exactly time, but is good to prepare ahead as you mentioned to buy low cap alt-coins like, Matic, TWT, ADA, FTM, Solana, Qtum,  and many more and is good to make a research before investing in any alt-coins.