I had this issue, and decided instead to go with the shorter version from the one lonely panel in the manga, this saved me- I kid you not- $100... I also picked up all my fabric on Boxing Week sales for between 40-75% off... the dress is only costing me $100 total...
Next Con & Cosplays: Otakuthon as
Mami Tomoe from Pulla Magi Madoka Magica
Riza Hawkeye from FullMetal Alchemist Brotherhood
Battler Ushiromiya from Umineko no Naku Koro Ni