Preparing the system
Notes
Practical notes on data, software, automation, and infrastructure.
October 21, 2026
Amazon has no Vietnamese affiliate programme, but people in Vietnam still join the US one. The hard part is not signing up — it is the three steps after: getting paid, US withholding, and Vietnamese tax. Policy wording and numbers for each step.
Read the articleOctober 21, 2026
For the same USD 1,000 a month one category needs 51,000 views and another needs 2.3 million — a 45x spread. The table below comes from a runnable script, with the assumptions stated so you can substitute your own.
Read the articleOctober 21, 2026
Stating a price, shortening links, fake urgency, a missing disclosure — these four mistakes do not cost you money, they cost you the account. The policy wording, plus measured results on six real scripts.
Read the articleOctober 21, 2026
Three phases: the first 30 days to avoid losing the account, the next 30 to find a category that converts, the last 30 to scale volume. Each phase has one number that decides whether to continue.
Read the article
October 13, 2026
Choosing the model is half the job. The other half is what you send in: what to cut with code before spending tokens, when to let the model return null, and how to validate the output before it touches anything. Figures from a 24,216-item pipeline.
Read the articleOctober 8, 2026
Twenty-two problem types from 6,672 classified complaints (Reddit, Hacker News, Google Play, App Store, Stack Exchange): what is most common, what is most severe, and why those two rankings disagree.
Read the articleOctober 8, 2026
The most common answer is not buying another tool, it is having no workaround at all. Then: building a private tracker, using AI to write the formulas, and copy-pasting across files. The ranked list of workarounds and the problem–workaround pairs that recur most.
Read the articleOctober 8, 2026
Store reviews are product anger, Reddit and Hacker News are process narrative, Stack Exchange is a specific technical bug. The numbers showing that the wrong source gives the wrong problem list, plus real access status per channel.
Read the articleOctober 8, 2026
Reddit through a mirror, Google Play and App Store reviews, Hacker News, Stack Exchange — all via public APIs, no accounts, no proxies. How to filter before spending tokens, the real limits of each API, and four mistakes made.
Read the articleOctober 8, 2026
One fixed 22-label taxonomy, batches of 15, temperature 0.1, resuming on seen quotes. Real numbers: 11,922 candidates → 795 calls → 18,529 rows, only 7,450 with a valid label, and 1,903 byte-identical duplicates.
Read the articleOctober 8, 2026
Every failure in a classification pipeline falls into four groups: double-counted, silently lost, no longer interpretable, or unmeasured. Eight checks, with the real numbers from a 24,216-item corpus.
Read the articleOctober 8, 2026
The most common problem belongs to software vendors, not operators; the largest group of items has the lowest severity; and 4,739 items never mention how people cope at all.
Read the articleOctober 4, 2026
An AI coding seat runs $19–200 per user per month, but the expensive part starts after the code is generated: 90% of teams hit bottlenecks in review, security testing and rework. Public numbers on seat prices, measured productivity uplift, and why the old metric stopped working.
Read the articleSeptember 23, 2026
laya scores 0.953 with poor calibration, the Jev API scores 0.840 with the best calibration and flags 12/12 harmful prompts with zero false positives, the open DeBERTa build calibrates well but only reaches 0.717. Three “System One” models, three different strengths.
Read the articleSeptember 23, 2026
Once you can read orders, signals and transactions before execution, the problem stops being price prediction and becomes a judgement on a known action. The model creates no edge — it is only the policy layer. And this kind of model cannot do arithmetic: measured 0.315 against a 0.48 baseline.
Read the articleSeptember 22, 2026
Remote roles open to applicants from any country, posted in September 2026, with evidence pulled straight from the hiring page: Enveritas at $135k–155k, Railway, Tether, CyberAtlas. Plus four roles tagged worldwide that actually lock you to a timezone.
Read the articleSeptember 22, 2026
Odoo pays a €10,000 signing bonus plus visa and a month of housing, lovable sponsors visas in Stockholm and London, Stream in Amsterdam. A list of roles that state sponsorship in the posting itself — and four companies that state the opposite.
Read the articleSeptember 22, 2026
Arbeitnow files a company under visa sponsorship while its own posting says “we currently do not offer visa sponsorship”. WeWorkRemotely tags a CET ±3 hours role as “Anywhere in the World”. And the updated-date column makes an August role look like today's.
Read the articleSeptember 22, 2026
Four sources that publish real dates: Hacker News through the Algolia API, Greenhouse's first_published field, Ashby's publishedAt, and WeWorkRemotely's RSS. A sweep of 113 employer boards returned 253 senior engineering roles — 201 of them first published in September 2026, 58 mentioning visa or relocation.
Read the articleSeptember 19, 2026
Visa salary thresholds, fees and residency timelines for 12 countries, verified against immigration authorities: New Zealand grants residence with the job offer, Germany needs only EUR 45,934 and no degree, and the US has shut H-1B while EB-2 stays current for Vietnamese nationals.
Read the articleSeptember 18, 2026
Social housing sale schedules in Ho Chi Minh City and Dong Nai, 25–70 m² standards, income rules under Decree 136/2026 and 5.4% preferential loans.
Read the articleSeptember 17, 2026
Industrial land, ready-built factory and warehouse rents across provinces from Lam Dong southward, with the costs that sit on top of the headline price.
Read the articleSeptember 17, 2026
215 projects from awesome-oss-alternatives, filtered for Docker support and live links, ranked by GitHub stars — with the licences you can sell under and how each one deploys.
Read the articleSeptember 17, 2026
The 26 projects from 203,714 down to 40,491 stars, full list with licence, deploy method and website, from the Top 100 roundup.
Read the articleSeptember 17, 2026
The 51 projects from 39,932 down to 15,295 stars, full list with licence, deploy method and website, from the Top 100 roundup.
Read the articleSeptember 17, 2026
The 23 projects from 14,962 down to 9,434 stars, full list with licence, deploy method and website, from the Top 100 roundup.
Read the article