Rain barrels are the best way to collect rain water and use it in your household. Since rain water is free, you will need to spend money only on the supplies needed for the building of the barrel. Then you can start using the collected rainwater in your daily routine and save a lot of money that you would otherwise spend on water. To find out how to build the tanks for the rain barrels, visit the link below for the step by step instructions. You can build several barrels and connect them with PVC pipes, so you’ll have enough rainwater for a larger garden or greenhouse. This is a very useful project for the upcoming dry season, as you can prepare gather the rainwater in time and water your garden for several days.