A favorite cleaning product is "Sudsy Ammonia" - a pre-mixed cleaner readily available in most US supermarkets. It is not readily available elsewhere, or you might not be able to find it. Since "Sudsy Ammonia" is a trade name, this is called "Soapy Ammonia." You'll be able to make gallons of soapy ammonia solution from the one bottle of pure ammonia and save money over the supermarket price. Vary the concentration, depending upon the job. Use it without the detergent for windows instead of brand name window cleaners.
Locate pure ammonia solution. It's readily available in supermarkets in the household cleaner sections of larger supermarkets in the US. Otherwise, try hardware shops and places that sell industrial cleaners. You will probably want to buy the smallest possible bottle since you won't need a lot.
Use rubber gloves and goggles - ammonia can burn skin and eyes.
Be sure to make your mixture in a well-ventilated area.
Do NOT lean over the bottles while you are pouring.
Organize this task so that you will be pouring over a sink just in case there is any dripping.
Use a 12 oz. plastic bottle spray bottle. These are widely available in grocery stores, chain stores, hardware stores. Basic safety rules say never reuse old commercial cleaner bottles. Old labels or color schemes can be confusing, and new bottles are inexpensive.
First Fill the bottle with tap water. Always add ammonia to water, not the other way around
Pour out a third of a cup of water from the bottle to make room for the ammonia.
With a funnel, pour about a third of a cup of ammonia into the bottle.
Add a squirt of dishwashing liquid.
Close the bottle tightly.
Write "Soapy Ammonia" on the bottle with the indelible marker.
Write "Danger: Do not mix with Bleach"
Write "POISON" and keep the mixture, and the bottle of ammonia out of children's reach.