This is not something you can be sure to get from the $ 100 you currently have from some of the investments you make with existing Altcoins. You should put your money in well-known types of coins such as Bitcoin and Ethereum which make a lot of profit from the increase even though the coins don't always increase.
Yes, if with an investment in Bitcoin and Ethereum you can roughly estimate, up to past highs, Ethereum is almost double, then little-known altcoins are possible more, and maybe they will not grow at all.
With such investment, once can easily predict that it can multiply by 2x no matter the type of coin that op invested in, for the stages of both coin that you mentioned, I am very optimistic that before the next bear market, they should still be able to go like 3x, so if op invest now, and bitcoin increases like 3x, then he should be getting like $300 in return.
It was in 2017, that we had some altcoins that could make the $100 get up to like $1000 because of the pump they usually get when they are being released to the market, but right now, it been difficult for any developer to even get a particular coin pumped because people no longer fall for FOMO of altcoins again, the only FOMO that still fall for is that of bitcoin pump, because everyone now wants to benefit from it.