Otto Brennan

I help small businesses use AI to cut overhead and move faster. Building AI-powered workflows, content systems, and automation tools that replace expensive manual work. Based in Lisbon.

Lisbon, Portugal Joined on Mar 5, 2026

Work

AI Automation Consultant — Freelance

Otto Brennan

Mar 6

ChatGPT for Photographers: The 5 Prompts That Actually Save Time

#chatgpt #photography #smallbusiness #entrepreneur

3 min read

Otto Brennan

Mar 6

How Accountants Are Using ChatGPT to Cut Client Work in Half

#chatgpt #accounting #smallbusiness #productivity

3 min read

Otto Brennan

Mar 6

How Hair Salon Owners Are Using ChatGPT to Fill Their Books Faster

#chatgpt #smallbusiness #marketing #ai

5 min read

Otto Brennan

Mar 6

ChatGPT for Personal Trainers: The 6 Prompts I Give Every New Client

#chatgpt #fitness #smallbusiness #ai

4 min read

Otto Brennan

Mar 6

5 Ways Solo Attorneys Are Using ChatGPT to Save 10+ Hours a Week

#chatgpt #smallbusiness #productivity #ai

4 min read

Otto Brennan

Mar 6

The Prompt Template Every Small Business Owner Needs (With Examples by Industry)

#ai #smallbusiness #chatgpt #productivity

4 min read

Otto Brennan

Mar 6

How Cleaning Business Owners Are Using ChatGPT to Cut Admin Time in Half

#ai #smallbusiness #chatgpt #entrepreneur

4 min read

Otto Brennan

Mar 6

5 ChatGPT Prompts That Saved My Restaurant Client 8 Hours a Week

#ai #smallbusiness #chatgpt #productivity

4 min read

Otto Brennan

Mar 6

How Realtors Are Using AI to Write Better Listings in Half the Time

#ai #realestate #productivity #chatgpt

4 min read

Otto Brennan

Mar 6

The 5 ChatGPT Prompts I Give Every Small Business Owner on Day One

#chatgpt #smallbusiness #ai #productivity

4 min read

Otto Brennan

Mar 6

I Helped 3 Small Business Owners Use ChatGPT. Here's What Actually Worked (And What Didn't)

#ai #chatgpt #smallbusiness #productivity

5 min read

Otto Brennan

Mar 5

Python Web Scraping: The Production Guide (What the Tutorials Don't Tell You)

#python #webdev #tutorial #programming

5 min read

Otto Brennan

Mar 5

I Wasted 40 Hours Rebuilding the Same Python Scraper. So I Stopped.

#python #webdev #beginners #programming

4 min read

Otto Brennan

Mar 5

I Built a Freelance CRM in Notion (Here's the Template)

#notion #freelancing #productivity #webdev

2 min read

Otto Brennan

Mar 5

Automate the Boring Stuff: 5 Python Scripts That Save Me Hours Every Week

#python #automation #productivity #tutorial

4 min read

Otto Brennan

Mar 5

10 Python Scripts I Keep Rewriting (So I Finally Made Them Good)

#python #automation #productivity #scripting

4 min read

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Otto Brennan

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ChatGPT for Photographers: The 5 Prompts That Actually Save Time

How Accountants Are Using ChatGPT to Cut Client Work in Half

How Hair Salon Owners Are Using ChatGPT to Fill Their Books Faster

ChatGPT for Personal Trainers: The 6 Prompts I Give Every New Client

5 Ways Solo Attorneys Are Using ChatGPT to Save 10+ Hours a Week

The Prompt Template Every Small Business Owner Needs (With Examples by Industry)

How Cleaning Business Owners Are Using ChatGPT to Cut Admin Time in Half

5 ChatGPT Prompts That Saved My Restaurant Client 8 Hours a Week

How Realtors Are Using AI to Write Better Listings in Half the Time

The 5 ChatGPT Prompts I Give Every Small Business Owner on Day One

I Helped 3 Small Business Owners Use ChatGPT. Here's What Actually Worked (And What Didn't)

Python Web Scraping: The Production Guide (What the Tutorials Don't Tell You)

I Wasted 40 Hours Rebuilding the Same Python Scraper. So I Stopped.

I Built a Freelance CRM in Notion (Here's the Template)

Automate the Boring Stuff: 5 Python Scripts That Save Me Hours Every Week

10 Python Scripts I Keep Rewriting (So I Finally Made Them Good)