How to build a personal knowledge base (Second Brain) in 45 minutes:

 

 

 

How to build a personal knowledge base (Second Brain) in 45 minutes:

 

Also included: 5 businesses you can build this for + what to charge.

 

@TheViableEdge has turned this into a profitable business (having him on the Build With AI pod next week to show us how)

 

You can use Obsidian for this but you could also just use local folders on your computer.

 

1. Create 3 folders

raw/ wiki/ outputs/

 

1. Dump sources into raw/

 

Examples:

 

1. Add one schema file

 

This tells the AI:

 

1. Ask AI to build the wiki

 

Not just summarize one file but build a reusable knowledge layer.

 

1. Use outputs/ for actual work

 

Examples:

 

5 businesses you can build this for:

 

1. Founder/creator

Content brain from calls, notes, posts, and ideas.

 

2. Agency

Client brain from briefs, reports, calls, and deliverables.

 

3. Consultant

Sales/delivery brain from frameworks, calls, proposals, and objections.

 

4. Local business

Operations brain from SOPs, FAQs, intake forms, and customer issues.

 

5. Ecommerce brand

Customer brain from reviews, support tickets, product notes, and ad comments.

 

Pricing:

 

Starter build: $1,500-$3,000

Advanced build: $5,000+

Monthly maintenance: $300-$1,000/mo