Where's a good place to buy a wig for a costume?

It's not for a party. It'll probably be a while until I actually buy that wig. I just want to portray her in real life and walk around town dressed as her and dress up for photos

U gunna walk about dressed as a kitty ?? Tail and ears toooo? Who are u trying to portray ??

My original character. A cat.

COOOL Thank you!