Proven boat designs, and how-to information for boat building. boat plans are for beginners and have been built by thousands since 1953.. Here at great lakes trailers, we build custom boat trailers perfectly designed to your new boat. we can also build custom trailers to fit just about any other need. Save on earthlink’s award-winning internet services for your home: dial-up, dsl, high-speed cable & more. plus, web hosting & software. connect with us!.