Keeping your windows clean does not have to be expensive. You can make your own cleaner and with just three ingredients. If you have dishwashing liquid, vinegar and water then you have everything you need to make a window cleaner that is cheap and best of all, friendly for the environment.
Some window cleaners contain dangerous chemicals that you certainly dont want your family being near. This is safe for humans and pets so if your dogs tend to stick their noses up against the windows, it wont hurt them. There is also a trick for using a coffee filter that is great and completely eliminates streaks.
Nobody likes doing windows but lets face it, they need to be done. This is a great tutorial on making your own window cleaner that helps to make the job a bit easier. Its also safe and cheap which are the two most important things to consider when you DIY.