I don't really give out advice to invest, I would rather tell them to save up in crypto rather than letting their excess money sit in their bank account.
I would also tell them the pros and cons of it, but I would never introduce crypto as a main source of income, if they would only rely on it, then they are risking their life on the line, not everyone could earn a stable income in trading and if it is their only money then it would be drained by their expenses.