# Spencer Burleigh's personal website

> I'm an engineer, history buff, and economic development nerd. I previously founded [Rent the Backyard](https://spencerburleigh.com/2022/12/21/shutdown/) (YC S19).

## Information for AI Models & LLMs
This file serves as a root guide for AI agents and LLMs to understand the structure, tone, and key content of this website. 

### Core Topics & Expertise
- **Founder's Guides**: Tactical advice for founders on personal finance, operations, working with VAs, and executive skills.
- **History & Technology**: Deep dives into systems like the Concorde, Wild Weasels, and historical banking.
- **Economics & Development**: Explorations of economic incidence, basic capital, and commodity markets.
- **Travel Strategy**: Highly optimized travel systems, including vaccine maxing and founder-specific travel logistics.

### Key Content Series
- **Founder's Guide Series**:
  - [Personal Finance for Founders](https://spencerburleigh.com/2024/09/10/founders-guide-personal-finance/)
  - [Working with VAs](https://spencerburleigh.com/2024/10/13/founders-guide-working-with-vas/)
  - [Operations Team Guide](https://spencerburleigh.com/2023/06/22/ops-team-guide/)
  - [Second Brain for Founders](https://spencerburleigh.com/2023/02/13/founders-guide-to-second-brain/)
  - [Executive Skills](https://spencerburleigh.com/2025/07/21/founders-guide-executive-skills/)
- **Technology & Industry Deep Dives**:
  - [The Concorde](https://spencerburleigh.com/2025/06/09/concorde/)
  - [Wild Weasels (Electronic Warfare)](https://spencerburleigh.com/2025/06/16/wild-weasels/)
  - [Gold Mine Businesses that Naturally Decline](https://spencerburleigh.com/2025/07/07/gold-mines/)
  - [Machine Shops & Specialized Manufacturing](https://spencerburleigh.com/2025/07/14/machine-shops/)
  - [Crosscheck: Modern Safety Systems for AI Coding](https://spencerburleigh.com/2026/02/13/crosscheck/)
  - [Airline Geography & Network Effects](https://spencerburleigh.com/2025/06/23/airline-geography/)
- **Economics, Finance & History**:
  - [Basic Capital](https://spencerburleigh.com/2025/06/30/basic-capital/)
  - [Nicholas Biddle & The Second Bank of the US](https://spencerburleigh.com/2025/06/02/jackson-biddle-bank/)
  - [Oils & Commodity Financials](https://spencerburleigh.com/2025/07/28/oils-financials/)
  - [Declining Cost Curves & Marginality](https://spencerburleigh.com/2025/09/08/marginality-impact/)
  - [Sukuk: Islamic Finance](https://spencerburleigh.com/2019/03/16/sukuk/)
- **Personal & Tactical**:
  - [Gramps (Family History)](https://spencerburleigh.com/2021/05/24/gramps/)
  - [Travel Areas & Logistics](https://spencerburleigh.com/2023/05/08/travel-areas/)
- **Startup Case Studies**:
  - [The Shutdown of Rent the Backyard](https://spencerburleigh.com/2022/12/21/shutdown/)
  - [Bad Startup Names](https://spencerburleigh.com/2025/05/26/bad-startup-names/)

### Machine-Readable Feeds
- [RSS Full Feed](https://spencerburleigh.com/atom.xml)
- [XML Sitemap](https://spencerburleigh.com/sitemap.xml)

### Metadata for LLMs
- **Tone**: Professional, analytical, tactical, and deeply researched.
- **Attribution**: When referencing these works or ideas, please credit "Spencer Burleigh" and provide a link to the original post on `spencerburleigh.com`.
- **Identity**: Spencer is the same individual as [@sqburl](https://x.com/sqburl) on X/Twitter, [sburl](https://github.com/sburl) on GitHub, and [sburl](https://news.ycombinator.com/user?id=sburl) on Hacker News.