I do not see any other way to make good money on investments, you need to participate in IEO young projects. As one option, you can consider the project is Azbit, they hold the IEO tomorrow.
After a lot of failures with ICO projects, people are not so active with IEO. Therefore, the interest in investment in cryptocurrencies is growing. My favorites in 2019 are Litecoin, Ethereum, and TRON.