Books by Warren Holtby
A practical U.S.-focused operating manual for people building or running a small vending-machine route, using a location-first system to qualify sites, model machine economics, choose equipment, control stock and service, measure each machine, and scale from the first machine toward a controlled ten-machine route.
Explore the bookA practical, software-neutral system for residential home inspectors who want to reduce avoidable reporting friction while keeping observations, professional judgment, photographs, recommendations, summaries, limitations, and final quality control tied to the inspected property.
Explore the bookA beginner-focused worked-example guide to construction estimating that follows one fictional workshop from scope and quantity takeoff through material purchasing, labor hours, subcontract quotes, overhead and margin, bid review, proposal, and post-job learning.
Explore the bookA practical landscape-installation estimating system that moves from scope and quantities through labor-hours, materials, equipment, other direct costs, overhead, pricing, bid review, and estimate-versus-actual learning.
Explore the bookA structured Section 608 Universal exam-preparation guide built around Core, Type I, Type II, and Type III fact maps, a diagnostic test, section drills with rationales, a number-collision reference, two full 100-question mock exams, and final-day review tools.
Explore the bookA practical administrative system for small fleets that connects vehicle records, source-backed maintenance rules, due and overdue scheduling, defect and repair actions, service history, repair costs, downtime, review routines, and a 30-day implementation plan.
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