When Christos Roustemis bought Crystal Clean Car Wash, he knew one thing right away: he didn’t want to rush into decisions that didn’t fit his operation.

With five self-serve bays, two in-bay automatics, and a customer base built over years of consistency, Christos had seen firsthand how much the car wash business had changed — and how often operators were pushed toward solutions that worked better on paper than in real life.

“My parents and I had nine self-serve locations going back to before credit cards, so I’ve seen how much this business has changed,” Christos explains. “When I bought this site, my initial thought was that I’d add memberships right away. But once I was actually running the business, I realized automatics and tunnel washes are very different business models.”

Instead of forcing a membership program that might create friction, Christos decided to slow down.

“I pumped the brakes. I focused on delivering a consistently good retail product for a full year while I evaluated loyalty and membership options that actually made sense for my site.”

Why Loyalty — Not Membership — Made Sense

Crystal Clean Car Wash operates in a unique market. Christos doesn’t face heavy IBA competition, and many of his customers are frequent, loyal visitors. That shaped how he thought about rewarding them.

“I wanted a way to give back to my customers without creating frustration on busy days,” he says. “On days like today, when people are already waiting in line, I didn’t want members getting upset because they feel entitled to move faster. Loyalty hits different.”

Instead of creating expectations tied to unlimited use, Christos wanted something more flexible — a way to say thank you without adding pressure to the operation.

“When I talk to customers on site, I tell them this is my way of giving you a free wash every now and then — without me having to be here at a 24-hour business.”

That mindset ultimately led him to Coinless.

A Solution That Didn’t Require New Hardware — or a New Processor

One of the biggest deciding factors for Christos was what Coinless didn’t require.

“Not having to install new hardware was terrific,” he says. “I already had CryptoPay, and I didn’t want to change processors or add proprietary systems just to support one part of my business.”

Many loyalty and membership solutions required new equipment and proprietary payment processing. Coinless didn’t.

“Every other solution wanted their own credit card processing — not Worldpay, not CryptoPay. Coinless was the only option that let me stay exactly where I was.”

That continuity mattered.

“I love being able to see everything at a glance on my CryptoPay dashboard at home. None of the other companies were willing to do that.”

Simple for the Operator — Even Simpler for Customers

From setup to daily use, Coinless fit neatly into Crystal Clean’s existing workflow.

“From a setup standpoint, it was honestly simple. I already had tap-to-pay installed, so Coinless and CryptoPay were basically already there. All we had to do was get the app live and create the signage.”

After some early testing, Christos refined the experience even further.

“I redesigned the signs so customers pull up, select their wash at the pay station, and then everything else happens in the app.”

The result?

“Like magic — when they tap and swipe in the app, the door goes up and the entry sign lights up. I see customers use it frequently, and that’s been terrific.”

Organic Adoption That Feels Right

Rather than pushing the app aggressively, Christos let customers discover Coinless naturally.

“Almost all of my sign-ups have come organically from QR signs and A-frames,” he says. “When customers are waiting 10 or 15 minutes, they almost have to look at the signs.”

That downtime becomes opportunity.

“They scan the code, sign up, and by the time they reach the pay station, they’re ready. I get a few new users every week, and that’s totally fine with me.”

After one month live on the platform, Christos has just over 100 active users on Coinless — and he’s happy with that pace.

“They’re happy, they come back, and it feels sustainable.”

A Clear Recommendation for CryptoPay Operators

Looking back, Christos doesn’t hesitate when asked whether he’d recommend Coinless to other CryptoPay customers.

“For anyone already running CryptoPay — especially with an IBA and self-serve setup — Coinless is a slam dunk.”

Compared to larger capital investments, the difference is clear.

“When you compare it to installing pay stations or new vacuum hardware, the ROI timeline isn’t even close,” he says. “With Coinless, the return feels almost instantaneous. Customers are happy, they come back more often, and your outlay is just the app.”

His final verdict is simple:

“It’s well worth it. It’s a terrific investment.”