Course 35 · Life system 07

Learn Basic Home Maintenance & DIY

Know your home, inspect it on schedule, use basic tools, complete low-risk repairs, and recognize when to call a professional.

What you’ll leave with

A home map, shutoff plan, tool kit, seasonal schedule, completed safe repair, contractor brief, and maintenance record.

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Watch first

A useful primer before lesson one.

This video is published by This Old House. It complements the Life Starter sequence; it does not replace the work inside the lessons.

Watch directly on YouTube
This Old HouseSimple Maintenance Tips for New HomeownersYouTube
Course handbook

Know the route before you begin.

This is the working brief for the full course: who it serves, what to prepare, what good work looks like, and the language you will use along the way.

Who this is for

Renters and owners who want to prevent avoidable damage, handle genuinely low-risk upkeep, communicate clearly with professionals, and stop guessing during emergencies.

Prepare before lesson one
  • Obtain permission for work if you rent, share ownership, live in an association, or have warranty restrictions.
  • Collect inspection reports, appliance manuals, service records, paint and material notes, utility contacts, and known hazard disclosures.
  • Never work energized, on gas systems, at unsafe height, around suspected hazardous material, or beyond your training and legal authority.
Your final project

Finish with proof you can use.

Build a home operations binder with system map, labeled shutoffs, emergency contacts, tool and PPE inventory, seasonal inspection calendar, completed low-risk repair record, issue photos, contractor-scope template, receipts, and next-service dates.

Three operating principles

The rules behind the steps.

01

Water first

Leaks, drainage, roof, humidity, and plumbing problems can compound quickly, so early detection and safe containment deserve priority.

02

Diagnose before opening

Observe symptoms, boundaries, history, and risk before removing covers, cutting walls, or purchasing parts.

03

Stop conditions are a skill

Competence includes recognizing permits, hazards, uncertainty, and consequences that require a licensed professional.

Working vocabulary

Key terms worth knowing.

Shutoff
A valve, switch, or disconnect used to stop a utility or system in an emergency or before authorized service.
GFCI
A protective device designed to interrupt power when it detects certain ground-fault conditions.
Caulk
A flexible sealant used at joints and gaps to limit water or air movement.
Stud
A vertical framing member that may provide reliable support for appropriate fasteners and loads.
Your route

Six lessons.
One finished outcome.

Work in order the first time. Each lesson makes something the next lesson can use.

  1. 1
    Up next

    Map the home and its shutoffs

    Locate the systems, controls, records, and contacts needed before a leak, outage, alarm, or equipment failure.

  2. 2
    30 min

    Build a safe basic tool kit

    Select a small set of reliable tools and personal protective equipment while defining hard stop conditions.

  3. 3
    38 min

    Run monthly and seasonal inspections

    Find small water, ventilation, safety, exterior, and equipment issues before they become expensive emergencies.

  4. 4
    42 min

    Seal, patch, and mount safely

    Complete common low-risk cosmetic and moisture-control tasks using correct preparation, material, support, and finish.

  5. 5
    36 min

    Handle plumbing and electrical boundaries

    Respond safely to common symptoms, isolate immediate harm, and know which work belongs to management, utilities, or licensed trades.

  6. 6
    33 min

    Hire help and maintain records

    Scope professional work, compare qualified providers, verify completion, and preserve a reliable property history.

Use the tools

Make the lesson easier to act on.

See all tools
Source transparency

Trust, then verify.

The practice sequence is original editorial synthesis. Current rules, safety details, and platform requirements should be confirmed with these primary or authoritative sources. References reviewed September 9, 2026.

Ready when you are

Start with the first useful move.

You’ll always know what to do, what to make, and where to go next.

Start lesson one