one’s own, provided by oneself; at one’s own expense
自前で買ったのです。
I bought it myself.
食料は自前でこれが法廷ってやつか
We have to provide our own food? So this is what you call a courtroom?
— ア・フュー・グッドメン (1992)
その制服は自前だろ？
You provided that uniform yourself, right?
— パディントン２ (2017)
むごい衣装でコートは自前だった
He was wearing a hideous costume, and the coat was his own.
— ベルリン・天使の詩 (1987)