Erik Devash.
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Growth & Strategy

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Growth & Strategy 5 min read

Speaking at SEMA 2026: Why Some Businesses Win

Why do some businesses continue to stand out in crowded markets? Ahead of my session at SEMA 2026, I’m looking at where real competitive advantage comes from and how business owners can find it in their own company.

Growth & Strategy 4 min read

Why I Made a Business Course for Window Tint, PPF, Detailing, and Other Service Business Owners

Why I created Addition by Subtraction, what it is designed to help with, and when a self-guided business course makes more sense than coaching.

Growth & Strategy 7 min read

Should You Scale Up, Hold, or Scale Down Your Window Tint Business?

Most window tint business owners talk about scaling up. But the smartest move may be to grow, strengthen what already exists, or deliberately build a smaller, better-fitting company.

Growth & Strategy 6 min read

Scaling a Window Tint Business Does Not Just Mean Growing It

More jobs, employees, and revenue can make a window tint business bigger without making it scalable. Real scale means every part of the company can support the growth.

Growth & Strategy 5 min read

How to Get the Most Out of WFCT 2026 as a Window Tint Business Owner

Industry events are most valuable if they change how you run the business when you get home. Here’s how I’m thinking about WFCT 2026 in San Antonio.

Growth & Strategy 2 min read

What Deserves Your Focus Right Now?

Every successful shop owner is being pulled in a hundred different directions. At Tinter Battles, we're asking a simple question: what deserves your focus right now?

Growth & Strategy 3 min read

Should I Sell My Service Business? Why I Chose YES

Should you sell your service business or keep scaling it? This explains why I sold mine to focus on software and what service business owners should consider before making that decision.

Growth & Strategy 4 min read

How I Built a Window Tint Business, Sold It, and Turned It Into a CRM

How I built a window tint business, scaled it to $3M, sold it, and created a CRM (Tint Wiz) from the system we used to run it.

Growth & Strategy 5 min read

Three Simple Rules for Starting a Service Business

Starting a service business doesn’t have to be complicated. In this article, I break down three simple rules that make a new service business far more likely to succeed: keep the business simple, treat customers correctly, and focus on the shortest path to the income you actually need.

Growth & Strategy 3 min read

Why the Next 10 Years Will Reward Well Built Service Businesses

Many service businesses look difficult today because they were built for a different version of the industry. This post explores why well-built operations may be positioned to benefit as service industries mature, consolidate, and reward businesses designed with long-term intention instead of short-term survival.

Growth & Strategy 3 min read

Why Service Businesses Stall Even While They’re Growing

Many service businesses keep growing on paper, but still feel stuck. This post looks at why growth can stall even when revenue is up, how business identity quietly shifts over time, and why progress requires intentional changes instead of repeating what used to work.

Growth & Strategy 3 min read

Cutting Isn’t the Risk. Not Reinvesting the Time Is.

Many service business owners know they should cut low-margin work, but they don’t feel like they can afford to. This post looks at why cutting isn’t the real risk, and how failing to reinvest the freed-up time is what actually keeps businesses stuck.

Growth & Strategy 3 min read

Having More Options Is the Problem (Not the Advantage)

Many service business owners aren’t stuck because they lack options. They’re stuck because too many options compete for attention, slow decisions, and quietly add complexity.

Growth & Strategy 3 min read

Working More Isn’t a Strategy for Service Business Owners

Many service business owners are working longer hours with the hope that it will pay off someday. This post looks at why that math often doesn’t work, and why cutting can be more powerful than adding.

Growth & Strategy 3 min read

Addition by Subtraction: Why Most Service Businesses Don’t Need More Ideas

When a business wants to grow, the instinct is almost always to add. A new service, a new offer, another tool. This is about why simplification, not expansion, is often what actually creates growth.