How much to invest when Young?

Hi all, background on me: I’m currently 22 years old, live at home, own 2 business that provide me income. A barbershop and a marketing agency. I have £23K personal liquid. The agency is in major growth mode with hiring staff etc so I don’t take huge money personally but my outgoings are also so low. I take £2,300 net per month. I invest £600 total per month. 375 into SMP500. 125 into emerging markets. 50 ETH and BTC. The rest of my outgoings is £400 per month which leaves me with circa £1300 di