One storm weekend cost Bates Farm about £50,000. Here are the 7 things every visitor farm must do before the next one: the weekend maths, a copy-and-paste rain date policy, wind-rated structures, the insurance questions to ask, and a year-round plan.

About 30 mm of rain and hail in 10 minutes took an estimated quarter of one South Australian family's crop, just ahead of an expected record harvest. Here is what it teaches every farm about insurance and spreading income across seasons and sources.