用 vibe coding 替换企业 SaaS：省下订阅费却花了 1.5 万到 2 万美元

Original title: Replacing SaaS with vibe coding

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AI overview

作者所在公司想用 AI 自研工具替换一个每月 200 美元、支持 200 多个应用的同步类 SaaS，结果开发约 1 个月、支持与修 bug 又花 1 个月，同步 bug 还导致公司多数产品在批发网站上显示缺货数周，估计损失 1 万美元销售额。

Full text

The company I work for was subscribed to a SaaS, without saying the name of it it's a sync tool for 200+ apps. It costs $200/month, which I guess is not cheap but companies can afford it.

My company wanted to replace it with a custom tool to save $200/month. And it ended up costing so much to develop despite using AI that it could've paid the subscription for the SaaS for years. It took about 1 month of development time and another month of support/bugfixes. Then there was a bug with with the sync causing most of the company's products to show as out of stock on a wholesale site for several weeks. This cost an estimated $10k worth of sales.

Altogether, even using AI it cost around $15k-$20k to develop a custom replacement for an enterprise SaaS. That $15k-$20k would've paid for the SaaS subscription for 6-10 years, that's how long it will take to see any ROI.

You can't easily replace enterprise SaaS. This is just a lie that tech-illiterate people believe in.