And besides, the aim is not to try to clean our homes to the point of sterility. Natural alternative cleaners are quite good enough - and far preferable - for most household cleaning tasks. So give them a chance - you don't have to shun the conventional harsh cleaners entirely, just use them less.
General cleaner
A ratio of 1:1 vinegar to water is fine for general cleaning, or try it neat for tough dirt like mouldy tile grouting, and on high-bacterial items like kitchen cutting boards. You can use it to clean practically any surface (except marble, which it may stain).
Toilet cleaner
Pour ¼ cup bicarbonate of soda into the bowl, and sprinkle with vinegar. Leave it to sit for about half an hour, then scrub and flush. (A similar version works as a drain cleaner too.
Voila: your toilet is clean and so is your environmental conscience.
Read more: Lemons: golden fruit