I think he is using the word "Job" for a person who do not have funds or a source of income. So those people can only job or provide any service to raise their income. Such people can't initially do business as it also requires money. 
By the way, you need to have the motivation that you will save every penny and invest in Bitcoin BTC. For example, you may decide to skip a pizza party and put that money in bitcoin. However, it seems that these small investments aren't profitable but collectively, one can accumulate bitcoins over a period of time.
By the way, you need to have the motivation that you will save every penny and invest in Bitcoin BTC. For example, you may decide to skip a pizza party and put that money in bitcoin. However, it seems that these small investments aren't profitable but collectively, one can accumulate bitcoins over a period of time.
It's not how much you are investing but how long you are willing to invest in Bitcoin. It's better to invest anything you have rather then not investing anything into Bitcoin. Moreover one must keep himself relax if he wants to keep on investing into Bitcoin for long term. Like it's good to have pizza party occasionally but eliminating such entertainment altogether from life will make things difficult and it won't help in long term Bitcoin investment.
Both the amount you invest and how long you sustain your investment is important, you cannot emphasize on how long you invest alone, the amount invested also determines how well your portfolio would look like in the next coupleof years. For persons who are investing using the DCA off their reserved funds, they might likely feel the need into increase their investment amount probably after securing some emergency funds to cater for wide range of needs that may arise or even emergency situation which aren't controllable. After making 30% investment monthly off their reserve balance, they could increase it to 60% making them more aggressive and also buying cheaper price if it's a dip or they planing on holding for up to 8-10 years, this will enable them accumulating more sats for the now, so even if they decide to become less aggressive after while, that cheap buys and aggressive would act as an advantage to their portfolio.