For me, it’s not about having good content that is not on reddit, but avoiding all kinds of bad content that is on reddit. I can scroll through the “top of the day” list of my subscriptions in a relatively short time and find many posts that I enjoy or that interest me. When I used reddit, there was always so much noise, ragebait, clickbait, sometimes interesting questions with only bland answers, etc.
Why would the absolute amount of money matter for investing vs. saving cash? Assuming he finds a broker for which absolute transaction fees are negligible, the only important factors should be time window and risk tolerance, both of which are independent of the absolute saving rate.