The dark alternate universe of printed circuit boards

Things to consider before venturing into the PCB world.

1. Single layer / Double layer? - check with fabricator.
2. Size? - check with a teacher.
3. If double layer, ground plane? - check with a teacher.
4. plated through holes ? - check with fabricator.
5. Stencil? - check with fabricator.
6. Silk Screen? - check with fabricator.
7. Solder mask? - check with fabricator.
8. minimum via/hole width? - check with fabricator.

After much deliberation over the past month (:D) - I decided on

1. power tracks - 50 mils
2. signal tracks - 25 mils
3. track to track spacing - 10 mils at least

Fabricator confirmed he can supply 10/10 boards.