May I make suggestions to help ya? ^^
Pick someone you like/love & enjoy or base it from an anime you like. Dont choose a character cause he/she is popular. Pick the character cause genuinely you like it! Nothing worst then forcing yourself into a character just for the sake of popularity or pics taken!
Also look at YOU. How tall are you? How short are you? Are u flat chested?, small busted ,big ,curvy,skinny etc Plus the same applies for guys.
Ex. I am 4'11-5'0 I'm small busted and skinny/thin. -I choose young girls cause its easier to do, Ie. Lina Inverse, Sailot Saturn, Mint (Toyko Mew Mew), that chick crossdesser from Ouren Host Club. Characters like that and maids. Also You can always make up your own character like dress up gothic like or even! If you DONT want to or cant afford the costume, look up pictures of that character and see what else he or she wears.
You might find out your character wears a very easy every day outfits!
Also if your on a budget maybe invest in the wig first & look for the easy outfit!
Good luck
