The websites Uproxx, Glamour, Petticoat Lane and Haunted in Hillsboro have multiple pages and lists dedicated to costume ideas for those who are on a budget.
If you want a cheap, used Minnie Mouse costume, I would suggest Ebay. Amazon.com and a local costume store are not bad ideas to check out as well. Good luck!
You can't.
On Ebay :)
newyork, all costume leap cheap that sore 15th steet
A cheap Batwoman costume can be found on eBay or on Amazon. They can also be hired cheaply if it for a one off party from many stores that do costume hire such as fancydress.
You can make a cheap mascot costume using foam, leaving holes for the eyes, mouth, and nose. You can also make them out of plenty of fabric for a more defined look.
Pumas Cougars Cubs Fire ants Bulls Walruses Tigers Lions Jaguars Falcons Eagles Vikings Bulldogs
If you are looking for unique costume ideas, you can find them at http://www.essortment.com/halloween-costume-ideas-50-unique-weird-ideas-52253.html. You can also find unique decorating ideas at http://www.halloween-website.com/decorating.htm
http://www.dizguise.com
If you want costume ideas then the best place for that would be online on some Halloween websites. You can also just go to a website that has Audrey Hepburn costume ideas on their as well.
There is a whole website devoted to flapper costumes. You should check it out here http://www.flappercostumes.com/. You can get tons of ideas for your own costume by studying their's.
Cosplaytrader.com is a good start! Alright you can make a costume or go to the good will and find a nice costume or you can find some clothes that would go with you costume a kid i know did that and went as a pirate!