
Rain barrels are a great way to save money. These simple containers collect rainwater from your gutters so that you can reuse it on your plants. It makes for free, reliable water, and it's especially useful in drought conditions in summer when local authorities introduce water restrictions
However, rain barrels can be tricky and expensive to install. A few mistakes can make your smart investment more trouble than it's worth – and in some cases, it can even put you on the wrong side of the law.