> For the complete documentation index, see [llms.txt](https://startup.shibin.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://startup.shibin.co/library/opportunity.md).

# Opportunity

## Problem

* [Seriously, what's your (startup's) problem?](https://medium.com/@jakemendel/seriously-whats-your-startup-s-problem-b3a884c54ab4)
* [How To Identify A Problem Worth Solving](https://productcoalition.com/how-to-identify-a-problem-worth-solving-9f542aae0cab)
* [Good problems to solve](https://bigyahu.medium.com/good-problems-to-solve-722c1a867e42)
* [What Makes A Good Startup Idea?](https://www.startuponramp.com/blog/2020/1/22/what-makes-good-startup-idea)
* [A four step guide to evaluating startup and new venture ideas](https://medium.com/neemz-innovation/evaluating-startups-and-venture-ideas-1dc419fe4d3a)
* [Startup Ideas](http://paulgraham.com/startupideas.html)
* [How to write the best problem statement for your startup](https://generalassemb.ly/blog/create-problem-statement-startup/)
* [Calculating TAM Is About Problem Size, Not Market Size](https://first-time-founder.medium.com/frequency-intensity-users-69c4fb5c3aa3)

## Customer

* [Buyer persona development using just one canvas - marketing for startups](https://digitalya.co/blog/a-different-approach-to-buyer-persona/)
* [“Who Is Going To Buy From You?” — An Illustrated Guide To Buyer’s Persona](https://divyakothari.medium.com/who-is-going-to-buy-from-you-an-illustrated-guide-to-buyers-persona-527129702c52)
* [Defining Anti-Persona's](https://brianbalfour.com/quick-takes/defining-anti-personas)
* [Startup Market Segmentation Examples & How It Can Save You $10,000’s](https://buildsuccessfulstartups.com/market-segmentation-examples/)
* [How to Interview your Customers](https://customerdevlabs.com/2013/11/05/how-i-interview-customers/)

## Market size and dynamics

* [TAM SAM SOM: What Do They Mean & How Do You Calculate Them?](https://blog.hubspot.com/marketing/tam-sam-som)
* [What Are TAM, SAM, SOM And Why Do They Matter?](https://thevcfactory.com/tam-sam-som/)
* [Why I Care About Problem Size More Than Market Size](https://hunterwalk.medium.com/why-i-care-about-problem-size-more-than-market-size-64069f1993ee)
* [Sizing Up: Market Sizing for Your Business](https://towardsdatascience.com/sizing-up-market-sizing-for-your-business-c569e45730ef)
* [Calculating TAM Is About Problem Size, Not Market Size](https://first-time-founder.medium.com/frequency-intensity-users-69c4fb5c3aa3)
* [Why ‘TAM’ doesn’t matter to me](https://techcrunch.com/2017/09/05/why-tam-doesnt-matter-to-me/?guccounter=1)
* [What VCs really means when they say “your TAM is not big enough”](https://summation.net/2019/04/20/what-vcs-really-means-when-they-say-your-tam-is-not-big-enough/)

## Competition

* [Why the Competition Doesn’t Matter for Early Stage Startups](https://medium.com/h2-ventures/why-the-competition-doesnt-matter-for-early-stage-startups-53a194b3159c)
* [Pitch Deck Pointers Part 6: The Competition Slide](https://innovationbay.medium.com/pitch-deck-pointers-part-6-the-competition-slide-d2744534c932)
* [Get Your “Competition” Slide Right](https://medium.com/swlh/get-your-competition-slide-right-2b1621eabe86)

## Timing

* [WHY NOW is a trick question](https://www.startuphacks.vc/blog/2018/08/05/why-now-is-a-tick-question)
* [The only thing that matters](https://pmarchive.com/guide_to_startups_part4.html)
* [The Formula for Luck: How to Nail the Timing of your Venture](https://www.startupgrind.com/blog/the-formula-for-luck-how-to-nail-the-timing-of-your-venture/)
* [The 4 Scenarios of Startup Timing](https://medium.com/gabor/the-4-scenarios-of-startup-timing-26bc66d4be8b)
* [Why Startup Timing is Everything](https://www.nfx.com/post/why-startup-timing-is-everything)
* [Now is the best time to be an angel investor (let me show you how)](https://calacanis.com/2020/03/27/now-is-the-best-time-to-be-an-angel-investor-let-me-show-you-how/)


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://startup.shibin.co/library/opportunity.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.