Here’s the thing: if your backyard floods every now and again, you might not think much of it — especially if you don’t go out in your lawn often (hey, some people are allergic to the sun… it’s not that weird…) — but homes in flood prone areas that experience regular flooding are much more likely to have basement water damage. It’s fairly common to have yard drainage problems; if you live in a mountainous and rocky area that just repels the water or in a dry desert region with very flat landscapes, whether you live around soil that is…