iFixit it does it for a small subset of electronics, but I'd love to be able to find the equivalent for things like power tools, kitchen tools, appliances, etc.
Does Consumer Reports check this? I know they do reliability, but do they include repair? I think I'd be willing to pay if there was a reputable place I could check. Especially if it was possible to see if there are particular brands that are generally good about this (which might help decide in the case that a specific product isn't yet assessed).