[KongchangAI]
Expired50% confidenceFactExact time

It is recommended to use a 4-4-2 or 3-4-3 installment payment structure for technical projects: 40% upfront at the start, 40% at key milestones, and the remaining 20% upon final delivery.

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/3/2026
First Seen
Valid until: 10/1/2026(expired)

Sources

Python接单副业实战:平台渠道、避坑指南与变现全解析
bilibiliIT研究院6/22/2026

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