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General Carpentry

4
  • How the Guide Library Is Organized
  • Difficulty Levels Explained: What Levels 1, 2, and 3 Mean
  • Finish Carpentry Cheat Sheets and Printable References
  • How to Trim a House, Start to Finish

Doors & Openings

20
  • Installing a Weather-Exposed Exterior Door: The Extra Steps
  • How to Install a Pocket Door Frame
  • How to Install an Exterior Finish Slab
  • How to Install an 8'0" Solid Core Pre-Hung Interior Door
  • How to Install an 8'0" Hollow Core Pre-Hung Interior Door
  • How to Install a 6'8" Solid Core Pre-Hung Interior Door
  • How to Finish a Bypass Door Install
  • How to Install 8'0" Bi-Fold or Bypass Door Slabs
  • How to Install 6'8" Bi-Fold or Bypass Door Slabs
  • How to Install an 8'0" Bi-Fold or Bypass Door Frame
  • How to Install a 6'8" Bi-Fold or Bypass Door Frame
  • How to Install a Pre-Hung Door
  • How to Install a House-to-Garage Door
  • How to Install a Cased Opening
  • How to Install a Pocket Door for a Perfect Finish
  • How to Install Bifold Doors
  • How to Adjust an Exterior Door
  • How to Install Barn Doors
  • How to Install Bypass Doors
  • How to Install an Interior Center-Opening or French Door

Closets

3
  • How to Build Basic Closet Shelves - Part 1 of 3 (Standards)
  • How to Build Basic Closet Shelves - Part 2 of 3 (Layout Design)
  • How to Build Basic Closet Shelves - Part 3 of 3 (Building)

Moldings

20
  • How to Install Baby Shoe at Stair Nosing
  • How to Build a Custom Decorative Header
  • How to Install a Window Seat or Sill
  • How to Install a Mullion Strip
  • Interior Window Frame for Tall Openings (120″ and Above)
  • Interior Window Frame for Medium-Tall Openings (90″ to 119″)
  • How to Install an Interior Window Frame
  • Window Jamb Extension for Tall Windows (120″ and Above)
  • Window Jamb Extension for Medium-Tall Windows (90″ to 119″)
  • How to Install a Window Jamb Extension Like a Pro
  • How to Case Tall Windows (10 Feet and Above)
  • Window Casing for Medium-Tall Windows (90″ to 119″)
  • How to Case One Side of an 8'0" Door
  • How to Case One Side of a 6'8" Door
  • How to Build an Attic Access Cover
  • How to Install Baseboard
  • How to Case One Side of an Exterior Door
  • How to Install Base Shoe
  • How to Case a Window
  • How to Install a Door Jamb Extension

Stairs/Handrails

11
  • How to Build a Handrail for Metal Balusters Like a Pro
  • How to Install a Garage Step Handrail
  • How to Build Garage Steps with 3 Stringers and Closed Risers
  • How to Build Garage Steps with Closed Risers
  • How to Build Garage Steps with 3 Stringers (Open Risers)
  • How to Install Stair Skirt Boards: Drop-In Method
  • How to Build a Wall-Mount Handrail
  • How to Mount a Handrail to the Wall
  • How to Install a Newel Post
  • How to Build Garage Steps with a Landing
  • How to Build Garage Steps: Safe, Code-Compliant Stairs

Specialty

7
  • How to Install Shiplap on a 3-Sided Fireplace Under 10'
  • How to Install Shiplap, 0' to 7'
  • How to Install Shiplap 4, Ceiling
  • How to Install Shiplap 3 side fireplace wrap above 15'
  • How to Install Shiplap 3 side fireplace wrap 10'-15'
  • How to Install Shiplap 3, 14'+
  • How to Install Shiplap 2, 7' to 14'

Hardware

2
  • How to Install Bath Accessories
  • How to Install a Lockset on a Door
  • Home
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  • General Carpentry
  • Difficulty Levels Explained: What Levels 1, 2, and 3 Mean
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Difficulty Levels Explained: What Levels 1, 2, and 3 Mean

Most guides on this site carry a difficulty level - 1, 2, or 3. The level is not about how hard you'll work or how long it takes. It answers three questions:

  1. What skills does the guide assume you already have?
  2. What tools does it assume you own (or can rent)?
  3. What does a mistake cost - in material, in time, in what you'll stare at from the couch every night, or in safety?

Read the level before you read the guide. Picking a job at your level is the difference between a weekend that ends with you admiring your work and one that ends with a second trip to the lumberyard for the board you ruined.

Level 1 - Beginner-Friendly #

Assumes you can: measure and mark accurately, make a straight cut, drive a screw, and take your time.

Assumes you have: a tape, a level, a drill, a saw you trust (a miter saw is nice, but Level 1 work forgives a hand saw), a caulk gun, and a stud finder.

Forgiveness: high. Caulk and paint will cover your learning curve. Nothing at Level 1 is structural, and none of it involves building code.

A mistake costs: a cheap board and part of an afternoon.

Examples: installing base shoe, hanging bath accessories, and casing a window.

These guides hold your hand the whole way - every step spelled out, nothing assumed. If you've never done finish work, start here on purpose, even if the job you actually care about is a Level 2. One Level 1 project teaches you how your saw, your walls, and your patience actually behave.

Level 2 - Intermediate #

Most of finish carpentry lives here, and so do most of the guides on this site.

Assumes you can: everything in Level 1, plus - you know plumb, level, and square as instincts rather than vocabulary words, you can read a tape to a strong 1/16", and you understand why a consistent reveal is the difference between clean work and something you'll notice forever.

Assumes you have: a miter saw you've dialed in, a finish or brad nailer (18-gauge covers most of it), a 4-foot level, and a pocketful of shims.

Forgiveness: medium. Paint still helps, but flaws at Level 2 are visible from across the room - an uneven reveal, a proud miter, a door that rubs.

A mistake costs: a piece of trim or a door slab, and re-dos measured in evenings.

Examples: hanging a pre-hung door, basic closet shelves, installing a pocket door, and French doors.

Here's the honest secret about Level 2: most of it is Level 1 work done to a higher standard. The cutting isn't harder. The layout, the checking, and the refusing-to-accept-"close enough" are.

Level 3 - Advanced #

Assumes you can: work at Level 2 without thinking about it, plus - plan a sequence before you cut anything, handle compound and custom layout, scribe to surfaces that aren't straight, and make judgment calls where no two houses are the same.

Assumes you have: the Level 2 kit plus the specialty tools the specific job calls for - and the discipline to dry-fit everything.

Forgiveness: low. Level 3 material is often expensive or stain-grade, where caulk can't absolve anything. Some of it carries building code: handrail work has rules about heights, graspability, and baluster spacing that an inspector will check and a lawyer will care about.

A mistake costs: real money in material - or, on rail work, someone's safety.

Examples: handrail systems for metal balusters, setting a newel post, garage steps with a landing, barn doors, and a three-sided shiplap fireplace wrap.

You will see Level 3 written as both Advanced and Expert on different guides. They mean the same thing.

One more thing about Level 3, and it's the reason these guides exist even for people who will never attempt the work: knowing what good looks like is worth as much as doing it yourself. If you decide to hire a Level 3 job out, the guide tells you exactly what to inspect before you hand over the final payment.

When conditions bump a job up a level #

The level rates the task under normal conditions. Real houses vote too. Treat the job as one level higher if any of these apply - and if two apply, believe it:

  • Old house. Nothing is plumb, square, or where the stud finder says it is.
  • Tall openings. Anything much past 10 feet adds ladder logistics and layout compounding - it's why our tall-window guides exist as separate versions.
  • Stain-grade material. No caulk, no filler tricks, no second chances.
  • Finished, occupied space. Dust control, floor protection, and no margin for "I'll fix that wall later."

Where a job genuinely straddles two levels, the guide says so instead of picking one - you'll see it written as "Intermediate to Advanced (Level 2-3)". That's not a typo. If it's your first time doing that particular job, treat it as the higher number and plan your time accordingly.

About our time estimates #

Time estimates on guides are per unit (per door, per room of base), working alone, at the guide's stated level, under normal conditions. Working a level above your experience? Plan on double the time, buy one extra piece of material as tuition, and read the entire guide - including the linked fixes - before you cut.

Quick answers #

Can a beginner take on a Level 2 or 3 guide? Level 2 - yes, with the doubled-time rule and cheap material. Hanging your first door? A hollow-core slab is affordable tuition. Level 3 - do a Level 2 version of the skill first, or hire it and use the guide as your inspection checklist.

Why are the stair guides mostly higher level? Code, cost, and geometry. Stair and rail parts are expensive, the angles compound, and it's the one part of trim work where getting it wrong is a safety issue rather than a cosmetic one.

Where do I see the level? Most guides show it at the top, right next to the category and the time estimate, and the level links back to this page. We're still filling it in on the guides that don't have it yet.

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Updated on July 29, 2026
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Table of Contents
  • Level 1 - Beginner-Friendly
  • Level 2 - Intermediate
  • Level 3 - Advanced
  • When conditions bump a job up a level
  • About our time estimates
  • Quick answers
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