noun
at one's own expense; out-of-pocket
Used when someone pays for something themselves, not covered by an organization or insurance. Often appears in compounds like 自費出版 (self-publishing) or 自費負担 (out-of-pocket burden).
留学費用は自費でまかなった。
I covered the study abroad expenses at my own expense.
治療費は全額自費負担です。
The treatment cost is entirely out-of-pocket.