@aiproperty

Fastlyhouse Co.

@aipropertyphuket, thailandJoined August 2026

Open data on the Phuket property market

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We publish open datasets on the Phuket property market - asking prices, same-unit rental yield, beach premium and off-plan payment schedules - each archived with a DOI under CC BY 4.0. Writing here about the data-engineering side: aggregation traps, methodology, and reproducing the numbers in SQL.

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Fastlyhouse Co.'s blogs

AIProperty Phuket — Open Dataaiproperty.hashnode.dev1 post

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FCFastlyhouse Co.aiproperty.hashnode.devAug 10 · 4 min read

The aggregation bug that doubled our headline number

We had a number that was wrong by roughly a factor of two, and nothing in the query was broken. No NULL handling bug, no join fan-out, no timezone. The SQL was correct and the answer was still nonsens

Fastlyhouse Co.

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Fastlyhouse Co.'s blogs

Recently published

The aggregation bug that doubled our headline number

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Fastlyhouse Co.

About

Available for

Fastlyhouse Co.'s blogs

Recently published

The aggregation bug that doubled our headline number