There are a million building tutorials; these are ones I think were helpful or that I want to try out.
Other CFE Applications:
A House on Stilts
Includes a tutorial on blending a premade hilly lot into your neighborhood.
Rowhouse Template -- Requested at GoS, a 2x1 lot with a prebuilt "box" with tabs to connect to adjoining buildings. Also in this thread: Shastakiss suggest zipping up an entire hood for a friend to run utilities on a lot. Handy for Mac users and people without the full complement of EPs!