Best Practices for Job Estimates in the Trades

A good estimate wins the job and protects your margin. A bad one wins the job and loses you money. Here's how to build an estimating process that does both consistently.

Always Estimate In Person for Large Jobs

Phone estimates for jobs over $500 are a trap. You can't assess complexity, access issues, or existing conditions over the phone. The jobs that go sideways most often are the ones estimated without seeing the site. Build in-person assessment into your process for anything above your threshold.

Know Your Fully Loaded Cost

Most contractors undercharge because they estimate based on direct costs (labor + materials) and forget indirect costs (drive time, overhead, insurance allocation, warranty risk). Your breakeven point is higher than you think. Use a cost calculator that includes all overhead before applying your margin.

Present Three Options When Possible

Give customers a good-better-best choice. The base option solves the immediate problem. The middle option solves it better or includes a warranty. The premium option is the complete solution. Research consistently shows that when customers have three options, they choose the middle one most often — and your average job value increases significantly.

Be Specific About What's Included

Scope creep comes from vague estimates. "Replace water heater" means different things to different people. "Supply and install 50-gallon gas water heater, includes disposal of existing unit, new flex connectors, and permit if required" leaves no room for misunderstanding. The more specific your estimate, the fewer disputes you'll have.

Follow Up on Unsold Estimates

Most estimates that don't close immediately are never followed up on. Yet studies show that 35-50% of prospects who don't respond to an estimate within 48 hours will eventually buy — they're just comparing prices, waiting on a second opinion, or procrastinating. A simple follow-up call or message 3 days after sending an estimate will win you additional jobs every single week.