Cheah Wai Soon

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What I'm Building

Sanitized notes on current builds. No live system details, no screenshots of real data. Architecture diagrams only.

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Private AI for Business Operations

Status: active build

A local AI system running entirely on on-premises hardware that handles lease document analysis, financial reconciliation, and investment research for my businesses. No data leaves the machine.

The stack is a consumer GPU (RTX 3060, 12 GB VRAM) running quantized open models, a retrieval layer on top of the document store, and a set of task-specific workflows for finance and property operations. The whole system sits behind a private network with no cloud egress.

I write about what I build and what breaks on the Local AI notes thread.

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ASEAN Property and SME Portfolio

Status: ongoing operations

An active portfolio of property investments and asset-backed SME positions across Singapore and Malaysia, with selective ASEAN exposure. Running these as an operator, not a passive investor, which means being involved in the underlying businesses.

I write about the investment thesis, specific market observations, and what running these businesses teaches you about capital risk on the Investing thread.