Product review (4 stars): Surprising, money saving solution.
It was my assumption that a bad door gasket was to blame for my leaking front loading washer. Turned out you could actually see that the bottom of the door was not physically coming into contact with the gasket. A YouTube video

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made replacing this a pretty simple matter and solved the problem as opposed to a repairman quoting $250 to replace gasket and entire door. He said the door was bent. As soon as he pointed that out, I could tell that it was the hinge that was out of alignment and not a bent door. He was not dishonest, just wrong....which justified my decision to not hire him. I'm typically not a fan of getting professionals to do free diagnosis and then doing it myself (partially out of values and partially out of laziness), but I'm also not a fan of spending 10 times what is necessary. Installed easily, problem solved.