问HN：如果你的项目是免费的，你在构建什么，为什么要保持它免费？
我对那些免费启动和运营的项目很感兴趣。<p>你在构建什么？运营这些项目的成本是多少？你打算免费维持多长时间？<p>你是否有后期的盈利计划，或者目标是其他方面（学习、社区、作品集等）？<p>很想听听你的项目以及你对可持续性的看法。
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I'm curious about projects that are launched and run for free.<p>What are you building? How much does it cost you to operate? How long do you plan to keep it free?<p>Do you have a monetization plan later, or is the goal something else (learning, community, portfolio, etc.)?<p>Would love to hear about your projects and how you think about sustainability.