I'm not sure bitcoin will make you rich, but bitcoin will make you rich, so you should just buy bitcoin if you still don't know how to choose a new project.
because buying a new project is too risky if you don't do your research first.
BitOcoin not Bitcoin

I wonder how much the minimum amount to buying on Dex-Trade is since I can not found that. And if I take a look at CMC or CoinGecko, the coin seems to play pump and dump scheme, but I hope I am wrong.
Bitcoin will make you rich, so if people want to invest in new coins/tokens, it is better not to invest in a big-money while we do not know how their project will be in the future.