It is the same kind of guidelines I've seen for fighting poverty. The problem: you need investment of energy/money to have more energy/money. If you don't have them in the first place, good luck. With energy it's even more insidious, because if you have the energy, at least you could spend some more time working for money.
Responding to the strawman version of your argument: the critical difference is that there are huge systems designed to extract your surplus money (addictive drugs/gambling at the immoral extreme, supply/demand dynamics for basic goods at the pedestrian extreme).
It is very important to remember that your energy is yours. Almost the essence of what you are. You will have the occasional good day, or just good hour, and that is the opportunity to build. Maybe with unhealthy amounts of coffee, to kickstart. Then two good hours the next day. Then four.
It will necessarily take many calendar weeks, but I implore any discouraged readers to understand that it is possible to bootstrap up to a better place.
I have done this for most of my life. I play in a band with a bunch of guys who drink shitloads of alcohol and sleep FAR less than I do. When it gets to eleven PM in the bar we play in who's the one yawning? It's me.
I never really feel like I have plenty of energy, because whatever I have I just use to do more stuff :/