The Free Tier Playbook

“Can’t someone else do it?” — Homer Simpson, The Simpsons:S9E22 “Trash of the Titans”, 1998

(The correct answer is sometimes yes.)

You will not need to pay for anything to use this book. Here is how to stay in the free lane indefinitely.

What the free tier includes:

Each service’s free tier allows a meaningful number of conversations per day. The exact limits vary and are not publicly published, but in practice they are sufficient for several extended conversations before any throttling occurs. If you hit a limit, your Agent will tell you, and the limit typically resets within a few hours.

The four-service rotation:

When you hit one service’s free limit, you have three other high-quality options at no cost:

Daily limits, model names, and which features sit behind which paywall change frequently. Verify at the companion site.

The point is not that one is better than the others. The point is that each has free capacity, and for the tasks in this book, all four will serve you well. Keep a bookmark folder with all four. When one runs out, move to the next.

The browser bookmark stack: Create a folder in your browser bookmarks called “AI Tools.” Add all four services. When you sit down to work through a problem, open the one you haven’t used today.[1]

Saving your specs: Keep a note on your phone or computer called “AI specs that worked.” When you get a particularly good result, save the spec you used. You will use it again, or someone in your family will.

Make your conversations lean: Your free budget goes further when you give your Agent only the material it needs. Paste the relevant paragraph, not the whole document. Copy text instead of photographing it when you can. Start a new conversation when one gets long. These are not tricks — they are the same practices that make the paid tier more effective too. Appendix J explains why.

When it’s worth paying: If you find yourself regularly frustrated by hitting limits, or if you are using these tools for work tasks where speed matters, the standard paid tiers (around $20/month as of this writing for Claude Pro, ChatGPT Plus, and Google AI Pro) add higher limits, reliable web search, and access to the most capable models. Copilot’s paid tier is no longer sold on its own — it is now bundled into Microsoft 365 Premium at roughly the same price. For the tasks in this book, the free tier is sufficient for most users.

The most powerful free feature most people never use: Projects / Gems / Custom GPTs

Every major AI tool has a way to create a persistent context — a named space where you store background information about your situation, instructions for how you want your Agent to respond, and a history of related conversations. You set it up once. Every conversation in that space starts with your majordomo already briefed.

For this book, the most useful application is a household context. You tell it: who lives in your home, what your health situation is, what your current ongoing issues are (the landlord dispute, the insurance claim, the renovation). From that point on, every relevant conversation in that context starts from an informed position instead of a blank one.