Production
How do I get my project made well and afford it?  GET HELP.
Fabrication  
Getting your design project made up to your standard can be just as hard as designing it on the computer.
When designing a project you always have a vision on how it should turn out. You can produce the piece on your own or trust a professional. Here are a few affordable places to have projects made by the professionals:

Books
This is a fantastic resource for getting books professionally made in batches starting at one.
lulu.comRuleShirts, bags, mugs
Remember if you use a dark colored fabric you need to specify a white under layer to get correct colors.
cafepress.com
zazzle.com RulePostcards, Posters + Brochures
If you need large quantities of postcards, posters or brochures, here are a few sites that are affordable with a quick turn-around.
designyourowncard.com
vistaprint.com
overnightprints.com
PsPrint.com
uprinting.comRulePlates, mugs, etc.
makit.com

Templates
When designing three-dimensional items, it is much easier getting started with a template (or dieline). Here are websites to get you started: TemplatesBoxes, Bags & Other Good Stuff

View Templates
Free Templates, mostly boxes.

Download Free Template Package
Free Vector Art and Templates.

arcamagica.com
Templates available for a small fee.

BrochureDouble-sided Brochures
Designing a double-sided brochure may not be too hard, but printing and attaching the two print outs can be. Here are a few tips for producing a two-sided brochure/poster.

Download Instructions