I've heard most single axle trailers have a tongue weight of 10%, while a tandem axle boat trailer will only have 5% tongue weight.

If it's 10%, I have to weight distribute. If 5%, I'm good without weight distributing. I DO NOT want to weight distribute with a surge brake trailer. When is the marine industry going to figure out that electric over hydraulic brakes are the way to go for these heavy ass boats?