Chaos gardening is a carefree approach to gardening anyone can try
bhg.com
bhg.com
I've found you don't have to be totally organized about it uprooting the worst of the noxious weeds, scattershot planting of desirables, and watering unpredictably around a busy life schedule, but this still takes a lot of time and energy. At that point, if you value your time and energy, you find yourself needing to make plans and genuinely care about the process.
In a world of permies, regenerative ag, raised beds, and whatever this is, just having a small home garden seems quite novel, and the implementation is...pretty easy.
Kidding (about the novel part).
Actually, they are old as sin, er, I mean, old as nature, because, you know, they all borrow from or imitate nature, to a large extent, although there may some improvements or systematisations here and there.
Check out Bill Mollison, Gabe Brown, Geoff Lawton, Jean-Martin Fortier, Richard Perkins, Aanandaa Farms, etc, in a bit of depth at least, first.