Sam Hartley - DEV Community

Sam Hartley

Sep 29

My Margin Guard Was Reading Zero. Four Separate Bugs Kept It That Way.

#python #programming #testing #trading

2

6 min read

Sam Hartley

Sep 27

A Single int() Silently Disabled My Entire Risk System

#python #programming #testing #trading

1

4 min read

Sam Hartley

Sep 25

My Agent Spent $23 Overnight. Here's Why My Limits Held and My Alerts Didn't.

#agents #cloud #llm #monitoring

2

7 min read

Sam Hartley

Sep 23

My Scheduled Agent Ran 40 Times and Did Nothing — Here's the Assertion That Fixed It

#ai #devops #python #automation

3

5

6 min read

Sam Hartley

Sep 21

Timeout Means No — The One Rule That Makes AI Agent Approval Gates Actually Work

#ai #python #automation #devops

1

6 min read

Sam Hartley

Sep 19

My Paper Trading Bot Went Live This Week — Here's the Guardrail Stack I Built First

#ai #python #devops #automation

1

7 min read

Sam Hartley

Sep 15

I Added a Circuit Breaker to My AI Agent Setup — It Caught Three Outages This Month

#ai #python #devops #automation

2

7 min read

Sam Hartley

Sep 13

My Cron Job Double-Fired and Placed the Same Order Twice — Here's My Postmortem

#python #devops #automation #postmortem

2

1

5 min read

Sam Hartley

Sep 11

I Don't Vibe-Check New Local Models Anymore — I Run This 30-Minute Eval Instead

#ai #machinelearning #ollama #python

2

5 min read

Sam Hartley

Sep 10

How I Get Frontier-Quality Output from Local Models That Are 10x Smaller

#ai #promptengineering #selfhosted #ollama

2

8 min read

Sam Hartley

Aug 29

Why I Stopped Chasing the Newest LLM (And What I Run Instead)

#ai #llm #selfhosted #ollama

2

1

6 min read

Sam Hartley

Aug 27

I Replaced All My Cloud AI With Local Models — Here's What Actually Broke

#ai #llm #selfhosted #ollama

6 min read

Sam Hartley

Aug 25

I Automated My Dev Blog With Local AI Agents. Here's the Honest Breakdown.

#ai #automation #devto #buildinginpublic

6 min read

Sam Hartley

Aug 23

I Automated My Dev Blog With Local AI Agents. Here's the Honest Breakdown.

#ai #automation #buildinginpublic #selfhosted

6 min read

Sam Hartley

Aug 21

I Built a Personal AI That Actually Knows My Projects (RAG + Ollama, Zero Cloud)

#ai #rag #ollama #selfhosted

2

5 min read

Sam Hartley

Aug 19

How I Turned My Homelab Into an AI Content Factory (And Why I'm Not Stopping)

#ai #ollama #selfhosted #productivity

6 min read

Sam Hartley

Aug 1

I Wanted Real-Time Stock Charts on My Garmin Watch. Monkey C Had Other Plans.

#garmin #connectiq #crypto #sideprojects

5 min read

Sam Hartley

Jul 29

I Gave My AI a Memory. It Changed Everything.

#ai #rag #ollama #selfhosted

5 min read

Sam Hartley

Jul 27

I Built a Health Monitor for My AI Agents — Now They Tell Me When They're Dying

#ai #automation #monitoring #selfhosted

6 min read

Sam Hartley

Jul 25

I Moved My AI Stack From NVIDIA to Apple Silicon. Then I Moved Back. Here's Why.

#ai #applesilicon #nvidia #selfhosted

5 min read

Sam Hartley

Jul 23

I Stopped Asking One AI to Do Everything. Here's What Happened.

#ai #automation #agents #selfhosted

5 min read

Sam Hartley

Jul 21

I Built a Garmin Watch Face with Live Stock Charts in Monkey C — Here’s What I Learned

#garmin #connectiq #crypto #wearables

1

3 min read

Sam Hartley

Jul 19

I Built a Personal AI That Actually Knows My Projects (RAG + Ollama, Zero Cloud)

#ai #rag #ollama #selfhosted

5 min read

Sam Hartley

Jul 17

I Automated My Entire Dev Workflow with AI Agents Running 24/7 on a Mac Mini

#ai #automation #agents #selfhosted

1

5 min read

Sam Hartley

Jul 16

I Built a Dead-Simple API Gateway for My Local LLMs in 50 Lines of Python

#ai #python #ollama #selfhosted

1

4 min read

Sam Hartley

Jul 15

I Built a Dead-Simple API Gateway for My Local LLMs in 50 Lines of Python

#ai #ollama #selfhosted #python

4 min read

Sam Hartley

Jul 7

I Ditched ChatGPT for Local LLMs and Saved $2,000 in a Year — The Real Numbers

#ai #llm #selfhosted #ollama

1

4 min read

Sam Hartley

Jul 1

I Built a Morning Briefing Bot in 50 Lines of Python — Here's Why I Check Telegram Before Email Now

#python #telegram #automation #productivity

1

5 min read

Sam Hartley

Jun 27

I Rented Out My GPU for Passive Income — Here's What Happened After My First Week

4 min read

Sam Hartley

Jun 25

I Replaced 2.5 Hours of Daily Busywork with a $0 AI Agent Setup

#ai #automation #productivity #agents

6 min read

Sam Hartley

Jun 23

I Built an AI Content Team That Posts to My Blog While I Sleep

#ai #automation #productivity #ollama

1

2

5 min read

Sam Hartley

Jun 21

I Ditched 5 Cloud Subscriptions and Built a Self-Hosted Stack — Here's the Real Cost Breakdown

#selfhosted #devops #productivity #cost

6 min read

Sam Hartley

Jun 19

I Gave Each of My AI Agents a Personality — Here's Why My Workflow Actually Improved

#ai #agents #automation #architecture

1

6 min read

Sam Hartley

Jun 15

I Use Telegram as My DevOps Dashboard — No Web UI, No VPN, Just Works

#telegram #devops #selfhosted #automation

1

4 min read

Sam Hartley

Jun 13

I Built an AI Agent That Writes and Posts Articles For Me — Here's What Happened

#ai #automation #writing #devto

1

3 min read

Sam Hartley

Jun 9

How I Built a Self-Funding AI Lab: From Hobby to Side Income in 6 Months

#ai #sideprojects #passiveincome #selfhosted

6 min read

Sam Hartley

Jun 9

I Built an AI Assistant That Lives in My Telegram — Here's What 6 Months Taught Me

#ai #telegram #selfhosted #automation

6 min read

Sam Hartley

Jun 8

Run Your Own AI Server for $0/month with Ollama

#ai #llm #opensource #tutorial

4

1

3 min read

Sam Hartley

May 15

I Replaced Every Cloud AI Tool with Local Models — 6 Months Later, Here's What Actually Broke

#ai #ollama #selfhosted #productivity

5 min read

Sam Hartley

May 9

I Expanded My GPU Rental Fleet to 6 Cards — Here's What Happened to My Earnings

#gpu #passiveincome #selfhosted #ai

1

5 min read

Sam Hartley

May 7

My 3-Machine AI Lab: How I Divide Work Between a Mac Mini, a Windows PC, and an Ubuntu Box

#ai #infrastructure #llm #productivity

7 min read

Sam Hartley

May 5

From Idea to Deployed Tool in 3 Hours — How AI Coding Agents Changed My Workflow

#ai #productivity #codex #development

4 min read

Sam Hartley

May 3

I Built a Model Router That Picks the Right AI for Every Task — Here's Why You Should Too

#ai #ollama #selfhosted #productivity

4 min read

Sam Hartley

May 1

I Built a Model Router That Picks the Right AI for Every Task — Here's Why You Should Too

#ai #ollama #selfhosted #productivity

6 min read

Sam Hartley

Apr 29

My 3-Machine AI Lab: How I Divide Work Between a Mac Mini, a Windows PC, and an Ubuntu Box

#ai #selfhosted #homelab #devops

7 min read

Sam Hartley

Apr 9

3 Months Running Everything Locally — What Broke, What Worked, What I'd Do Differently

#ai #selfhosted #homelab #productivity

4 min read

Sam Hartley

Apr 5

I Let AI Coding Agents Build My Side Projects for a Month — Here's My Honest Take

#ai #coding #productivity #webdev

5 min read

Sam Hartley

Apr 4

I Expanded My GPU Rental Fleet to 6 Cards — Here's What Happened to My Earnings

#gpu #passiveincome #selfhosted #ai

5 min read

Sam Hartley

Mar 23

I Use Telegram as My DevOps Dashboard — No Web UI, No VPN, Just Works

#telegram #devops #selfhosted #automation

4 min read

Sam Hartley

Mar 21

I Rented Out My GPU for Passive Income — Here’s What Happened After My First Week

#gpu #passiveincome #ai #selfhosted

4 min read

Sam Hartley

Mar 19

Local LLMs vs Cloud APIs — A Real Cost Comparison (2026)

#ai #llm #selfhosted #productivity

1

2 min read

Sam Hartley

Mar 15

How I Automated My Entire Dev Workflow with AI Agents (Running 24/7 on a Mac Mini)

#ai #automation #productivity #tutorial

1

3 min read

Sam Hartley

Mar 13

I Built a Personal AI That Actually Knows My Projects (RAG + Ollama, Zero Cloud)

#ai #rag #ollama #selfhosted

1

5 min read

Sam Hartley

Mar 11

5 Telegram Bot Ideas That Actually Make Money (Built a Few of These Myself)

#telegram #bots #sideprojects #ai

10

4 min read

Sam Hartley

Mar 9

I Built a Custom Garmin Watch Face With Live Stock Sparklines — Here's What I Learned

#garmin #connectiq #monkeyc #wearables

1

4 min read

Sam Hartley

Mar 7

I Ditched OpenAI and Run AI Locally for Free — Here's How

#ai #ollama #selfhosted #tutorial

1

3 min read

Writing Debut