A vast free body of vitally specific, highly practical all-ages wisdom + home remedies + mathematics + sustainability examples. There are many civilised, personal, economic, freedom-creating, shortage-avoiding, disaster-alleviating and emissionless planet-saving reasons to live conservatively on renewables in low embedded energy (emergy) homes. The author's 1986 $10,500 fire-proof flood-proof steel highset Island kit home on 0.1h edible jungle (still available for about $20,000) - reportedly one of Australia's most integrated sustainable emission-free - operates via 150 essential job-creating budget devices: 12V solar appliances, transport, food plants and processes. Such currently topical, politically-focused, ingeniously simple and vitally interesting budget life-support systems - largely home-conceived that have supported the author for over 1/3 century - we title Sustainable Home Engineering that enables comfortable living on less than 5% pension at my very healthy age 82 and wife's 66. It is arguable why with a total 4,394 Inventions and Discoveries - many global-saving - that they are not productized for a good return - including 100s of circuits, which also had to be modelled. However, although thriving so frugally, there is no need of funds, so that Inventions are freely available for PlaNET-improving - the main motive behind this paper. Internationally Millions were never ready. Since 1999 did anyone around the world affected then by utilities outages, floods, fire etc. - Chicago, New Zealand, Sydney etc. - ever solve life-support problems via renewables? To save memory, sketches replace photos. Effortless Sustainable Home Engineering involves re-educating society's tastes. Adopting only some token items – largely home-developed - of the 150 necessary is futile. Life-support designers often won't live with their hardware. Note ineffective efforts to match renewable energy to fossil needs - sans conservation! Yet, society tries. Two coffees + newspaper daily = $2,500/y, 1/7 th of Rail worker's earlier salary. Buy working week meals = another $2,500. Popular Grid-connected PVs have a flaw because a powerhouse overloaded with more than 22% intermittent inputs can become unstable and need an uneconomical quick-start gas turbine. However, Nationwide USA totally on Renewables may not need Powerhouses. The following reviews a small sample of our lived-in innovations from this 1.3 GB Library –with vastly more data about each item in the Library itself that includes: PowerPoints, Maths Graphics and short Videos. None seems to age.