Yes, you should buy alternative xcoins as of this moment because the market price is too low and sooner or later it will increase ands will accumulates lots of earnings in your own account.
Maybe, If thats your perception on that coin, but for more option and has reliable coin to be choosing, why don't you look the top 10 cryptocurrency at coinmarketcap. For sure you will satistied your Investment, especially in etherium where as now its value was so low.