Free tutorial for garter belts ;D
They can be so expensive considering how simple they are to make and every girl (or boy, no judge) should have a pair

Make your own cute and dorky underwear. It’s one of the simplest patterns and required barely no fabric.
Themed underwear is sold for like $10 at the cheapest and even if only you see your underwear you’ll feel so much cooler in ones you made from the left over Iron Man printed fabric you have.
http://www.cutoutandkeep.net/projects/make-your-own-cute-knickers
Two instruction sets for making a tiered petticoat.
Tiered petticoats have a rounder fullness and are in style with lolita fashion. They’re really easy to make - I’ve made them in about an hour - and it’s way cheaper to buy netting than to spend it on an overpriced petti.
http://www.otheramusements.com/2009/08/lolita-petticoat-tutorial.html
http://home.scarlet.be/fenicia/tutoral/petticoat/petticoate.htm
