Disgusting stains in the toilet will be prevented by putting toilet paper first in the toilet, after using the toilet you don't have to clean!
Dirty toilet? (brown edges through the water) Put some cola in the toilet and let it soak for a while, after wards you can brush it all clean!
If you leave your laundry water in the toilet it will clean it really well!
If you have problems with calcium deposits, uric acid or brown stains in your toilet bowl, throw in a liter of Coke and let it stand overnight, you'll be amazed by the results.
Toilet cleaning hygienic. Put in a spray bottle for the water half and the other half of vinegar. Spray it on the seat and on the toilet and take it off with a paper towel. The bacteria are 99% off. Hygienic anyway!