I used a much simpler variant of this to get Amazon Prime for free for years. When I needed something off Amazon, I'd just wait until the day before it was goin

I used a much simpler variant of this to get Amazon Prime for free for years. When I needed something off Amazon, I'd just wait until the day before it was going to rain then order it with next day delivery. The couriers at that point in time seemed comically unable to deliver anything if it rained. Once it arrived late, open a case and ask for a month of free Amazon prime. This worked up until they discontinued that as a potential compensation.