There is a lot there, but they have covered a lot of topics in a searchable forum. Searching isn't always the easiest thing, and it's been pretty quiet over there lately, but someone has probably addressed most of your questions. There are some articles on www.thesewingacademy.com (note the different extension) that cover some basics and are a good place to start. (Start in the Compendium: http://www.thesewingacademy.com/compendium/)