C.A. Sage Author
DIYER Car Guide - Complete Toolkit
DIYER Car Guide - Complete Toolkit
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21 simple car repairs explained for non-mechanics, 5 printable tools, and an expense tracker — so a $20 job never costs you $120 again. Save up to $2,000 a year.
Instant download · Yours forever · Print the tools as often as you need
The morning my Mazda wouldn't start
One freezing winter morning, my 2013 Mazda3 wouldn't start. Two kids to get ready, nowhere in the budget for a tow truck — let alone whatever the garage would "find" once it got there.
I'd been there before. Nodding along to repairs I didn't understand. Paying invoices that hurt for jobs that took twenty minutes. Hating how small it made me feel to depend on someone else to keep my own car running.
That morning, I decided I was done. I learned the battery. Then the filters, the wipers, the fluids, the brakes. Simple jobs — the exact ones garages charge $100+ for.
The DIYER Car Guide is everything I wish someone had handed me that morning.
— C.A. Sage, founder of DIYER. Mom of two, non-mechanic, done overpaying.
The repair isn't expensive. The not-knowing is.
- A $15 part somehow becomes a $110 invoice — and you can't tell where the money went.
- The advisor uses words you don't know, so you just say yes.
- Every dashboard light means the same thing: this is going to hurt.
- You'd do it yourself… if anyone explained it like you're a normal person, not a mechanic.
Same repair. Two receipts.
| Cabin air filter | Garage | You (DIY) |
|---|---|---|
| Part | $24.99 | $14.99 |
| Labor | $65.00 | 10 minutes of your time |
| Shop supplies fee | $8.50 | — |
| TOTAL | $98.49 — OVERPAID | $14.99 — SAVED $83 |
Typical shop pricing — varies by region and vehicle. The guide shows the Garage vs. DIY cost for every one of its 21 repairs, so you can count your own savings.
21 repairs like this one. Up to $2,000 back in your pocket, every year.
What's inside
- The 74-page DIYER Car Guide — 21 simple repairs, step by step, with difficulty ratings and the Garage vs. DIY cost for every job. Written for non-mechanics. Works for any make or model.
- Before You Pay the Garage Checklist — the one-page tool you fill in the waiting room, so you approve repairs on your terms (or walk away).
- Quick Car Problem Diagnostic — symptom → likely cause → checks to do, before anyone charges you to "take a look."
- Repair Tracker + Annual DIY Savings Tracker — printable logs that protect your resale value and show you exactly what your hands have earned.
- Annual Car Maintenance Planner — winter and summer checklists so problems get caught before they get expensive.
- Google Sheets Expense Tracker — automatic monthly summaries, on your phone, tablet or computer. Yours forever.
Buy once. Keep it for the life of your car.
Instant download, no subscription, no expiry. Reprint the tools as often as you need, for every vehicle you'll ever own. One repair usually pays for the whole bundle.
Questions, answered
I've never fixed anything on a car. Is this really for me?
Yes — that's exactly who it's written for. Every repair has a difficulty rating, plain-language steps, and "things to check / things to avoid" boxes. You start with 10-minute wins like filters and wipers, and build from there.
Does it work for my car?
Yes. The guide is make-agnostic — the 21 repairs, checklists and trackers apply to any brand or model. Where a step varies by vehicle, the guide shows you how to find your car's specific info in seconds.
What exactly do I get, and how?
Instant download after purchase: the 74-page guide as PDF, 5 printable PDF tools, and your link to the Google Sheets Expense Tracker. Everything is yours to keep — no subscription, no expiry.
Do I need expensive tools?
No. Most of the 21 repairs need basic hand tools or none at all. Each repair lists exactly what's required and its typical cost — which you usually earn back on the first job.
Is the $2,000/year real?
It depends on your car and how many repairs you take on. That's why every repair in the guide shows the typical Garage vs. DIY cost — you count your own savings with the included tracker instead of trusting a headline.
What's your refund policy?
Because this is an instant digital download, all sales are final. Check the What's Inside list and the preview images before purchasing — what you see is exactly what you get.
C.A. Sage | DIYER Finances | Car DIY
More control. Less spending. More freedom.