Honestly as this is a matter of investing, you should first consider base on your own speculations. If you feel definitely it will pump but your only fear is for it dumping back then it is less of a problem as you can buy as it is low then sell during the bull run incase it decides to dump back.
Investing in Solana is not a bad idea but base on deductive reasoning all Altcoins are basically of higher risk than that of Bitcoin l.