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From a Failed First Investment to S$100,000/Month in Passive Income: How Christian Oh Built a 9-Property Portfolio by Age 30

August 15, 2026August 16, 2026 by Jason Cai

Imagine generating S$100,000 every single month in passive rental income before turning 30. For Christian Oh, Co-founder of JNA Real Estate, this isn't a clickbait headline—it's his reality. His portfolio spans nine residential and commercial properties across Singapore, including an HDB kopitiam (coffee shop) in Ang Mo Kio. However, Christian’s journey didn’t start with a … Continue reading From a Failed First Investment to S$100,000/Month in Passive Income: How Christian Oh Built a 9-Property Portfolio by Age 30

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