I asked out of curiosity, I have studied and analyzed graphs and done some experiments...some go well...others don't...but I have always gained more than I lost. My problem with investing in bitcoin and waiting is that I don't have enough capital to actually become profitable by waiting several years.
Well if you're profiting then I think all is well? It'd still depend on your risk appetite though. And seeing as you don't really want to wait several years, altcoins can be a choice. As to what though, again it depends on your risk appetite. ETH is a standard choice but I'd say it's slower compared to a lot of newer altcoins, which have higher risk ofc compared to it but hey, if you want to profit fast, you gotta risk it.
Otherwise, I'd just really bide my time with BTC or ETH and wait a couple of years. Probably use my job or some main source of income to DCA.