I’m going to level with you right from the start. When I set out to write about rainwater harvesting systems that pay for themselves in 90 days, I discovered something that made me completely rethink this article. After diving deep into academic studies, real-world case studies, and talking to industry experts, here’s the truth: no rainwater system has ever documented a 90-day payback period under normal conditions. But before you click away, here’s what I found that’s more exciting.
More, here.
