Covering the cost oneself; paying the bill oneself (e.g., “it's on me” or “I'll pay this time”).
昼ごはんは今日はこちら持ちね。
I'll pay for lunch today.
彼は飲み会で『今回はこちら持ちで』と言って、みんなの会計を払った。
At the drinking party he said, “It's on me this time,” and paid everyone's bill.
会議の経費は会社ではなく僕がこちら持ちで処理した。
I covered the meeting expenses myself rather than the company.