Different tools for different documents
CAD platforms exist to produce construction document sets: engineered, layered, standards-compliant drawings that other professionals build from and authorities approve. Contractor drawing tools exist to produce job drawings: scaled, dimensioned, clearly labeled sheets that win quotes and align clients and crews.
The mistake isn't choosing one or the other — it's using the wrong one for the document you're making. CAD for a fence quote wastes hours; a sketch tool for an engineered retaining wall isn't legitimate.
What CAD costs you
The sticker price is the small part — full CAD suites run hundreds to thousands per seat per year. The real costs are the learning curve measured in weeks, the workstation and license management, and the friction that means drawings only happen when someone with the skills and the seat is available.
For a drafting department producing document sets daily, those costs pay for themselves. For a small contractor quoting decks and fences, they mostly buy unused capability.
What contractor drawing tools trade away
Simplicity has a price too, and it's worth naming honestly. A tool like SiteBuildHub Draft doesn't do CAD file formats, layers-and-sheets document management, parametric constraints, 3D modeling, or survey-grade precision. If your deliverable is a stamped document set, it is not the tool.
What it keeps is the ten percent of CAD that everyday job drawings use: true scale, straight snapped lines, real dimensions, labels, and professional export — learnable in one sitting, running in any browser, from free to $19/month.
- CAD: document sets, engineering precision, file interoperability, steep learning curve, high cost
- Contractor tools: job drawings, speed, zero install, minutes to learn, low cost
- Both: scaled drawings with real dimensions
A practical decision rule
Ask what happens to the drawing. If it goes to a client with a quote, to a crew as a reference, or into a job file as documentation — use a contractor drawing tool and get it done in fifteen minutes. If it goes to an engineer, an architect, or a plan reviewer who expects professional documents — budget for CAD work or hire the professional.
Most small contracting businesses discover their real mix is ninety percent job drawings. Tool your business for the ninety percent, and buy the ten percent when a job needs it.