By Greg Allan, tradesman and creator of Data First Coaching
Why does waiting on the builder cost more than it looks like?
Most tilers treat the hours a crew spends waiting on another trade as unavoidable, part of the job, nothing to worry about. That thinking is the problem. The wages, the ute, the insurance, the shed rent, all of it keeps running whether the tiler is billing or standing around a half-finished bathroom waiting for the plumber to rough in.
A crew booked for a wet area job assumes productive days of waterproofing, screed and floor preparation, one after the other. When a shower recess sits waiting because the builder has not cleared the path, or the plumber has not signed off the rough in, the overhead cost of running the business does not pause with the crew. It keeps ticking over, quietly, in the background of a job that still looks fine on paper.
Why does a bathroom that looked profitable on the quote barely break even?
The gross profit margin on a quote for waterproofing, screed and tiling a bathroom can look solid when it is written, and still land close to breaking even once the job is done. That gap is rarely the tile supply, the breakage, or the adhesive and grout used on site. It is the non-billable hours that never got properly attributed to the job in the first place.
A tiler pricing by square metre or day rate is pricing on the assumption of a full, productive day. Waiting on a builder, a plumber or an electrician to clear the way eats into that day without anyone writing it down against the job. The quote still says the margin is fine. The business's real cost of operations says otherwise, and that is the number that tells the truth when memory and a quick glance at the quote do not.
What number actually shows the real cost of waiting on another trade?
The number that matters is the true cost of operations, what it genuinely costs to run the business for every hour of the day, whether that hour is billable to a client or spent standing in a renovation waiting on someone else to finish. Most tilers only know their day rate or square metre rate, not what it actually costs them to run the business behind that rate.
This is a data first way of looking at the business rather than a feeling about a job that ran long. Once a tiler knows the true cost of operations, waiting time stops being invisible. It becomes a figure that can be measured against the square metre rate or day rate charged on that particular bathroom, splashback or wet area job, instead of being quietly absorbed as just part of doing subcontract work for builders.
How can AI agents stop that waiting time from eating into the day rate?
An AI agent is software that does a job the way the tiler would, using the tiler's own prices, wording and rules, instead of a generic template built for every trade. For this problem, an agent's job is to keep non-billable hours and overhead separated from each job rather than spread thinly and invisibly across every quote.
Picture a tiler who could never get an honest cost of operations figure to land. Every time the overhead from waiting and other non-billable hours was loaded onto individual jobs, every job looked like it was losing money. Strip those hours out completely and the figure dropped to something clearly too low to be real. Neither number could be trusted, and every pricing decision was being made on a feeling rather than a fact.
An AI agent pulled the actual wages and overhead straight from the business's own live data and worked out the true cost of operations, with billable hours properly factored in rather than guessed at. All the overhead and non-billable time, including waiting on other trades, now sits in its own bucket instead of being spread across jobs that had nothing to do with it. The agent keeps that figure accurate as wages, jobs and the mix of work changes, so the tiler is not relying on a figure from six months ago to price a bathroom today.
Should a tiler just charge more to cover the time lost waiting?
Raising the square metre rate or day rate without knowing the real cost of operations is a guess dressed up as a decision. The right move is to know what waiting actually costs first, then decide whether that cost belongs in the quote, the terms with the builder, or both.
Once a tiler can see the true cost of operations, gross profit margin stops being something checked once a quarter and becomes something protected and grown job by job, at the moment of quoting a bathroom, a renovation or a run of wet area work for a builder. That is the difference between a day rate that covers the business and one that only covers the tiling.
How does Data First Coaching approach this?
Data First Coaching starts from the tiler's own numbers, through the Trade Business Intelligence, rather than from a description of how busy the week felt. For a tiler losing margin to waiting on other trades, that means looking first at the real cost of operations and where non-billable hours are actually landing, not at the quote itself. The quote is rarely where the problem starts.
Greg Allan built his own trade business before building this method, and teaches that the cost of unconverted quoting and the cost of operations are the two figures most owners never properly separate. As Greg puts it, “the second one is hire, why don't you do your cost of ops”. The how of building that figure and the agent that keeps it accurate is worked through inside the Academy, with members, because the Trade Business Intelligence is powered by every member who is open minded, innovative and willing to share what they learn.
Looking for a business coach who starts from your numbers? Tiler Business Coach or every answer for tilers.
