
Lucas Hartwell
Restaurant Economics Analyst
- POS pricing models and vendor contracts
- Payment processing economics (interchange-plus vs bundled)
- Restaurant operations finance
- Multi-unit operations and unit economics
- Catering and off-premise revenue analysis
- Vendor negotiation and contract red flags
- Restaurant industry research
Lucas writes the analytical, bottom-funnel content on the Katalyst blog — the posts about pricing models, contract red flags, payment processing economics, and the line-item math operators wish vendors would publish honestly. He runs research for the team and ghost-edits a lot of what the rest of us write when it ventures near numbers.
He came up the operator side, not the software side. After culinary school, he line-cooked through three concepts in Boston before stepping into a GM role at a casual-fine-dining group in the Seaport. That's where the math started to interest him: he was the GM signing the merchant statements, watching $11K-per-month processing fees stack up at a single location while the corporate office insisted the bundled rate was "the best they could do." He started running the interchange-plus arithmetic himself, and that was the end of his belief that POS pricing was opaque on purpose. It was just opaque because no one had read it carefully.
A few years later he bought into a four-location group in Providence as an operating partner. Most of what he learned about POS contracts, he learned the hard way during those four years: negotiating Toast renewals twice, switching processors mid-contract once, sunsetting an Aloha system during an acquisition, and writing the same migration checklist three times because nobody else had documented it. By the time the group sold in 2024, he had a small library of spreadsheets covering every operating cost line a restaurant POS touches.
He found Katalyst the way most operators do — comparing five POS companies during a renewal cycle, getting straight answers on interchange-plus and exit terms from one of them, and walking out of the demo asking why the other four wouldn't put any of the same numbers in writing. He joined the company in 2025 because that single observation — that vendors charge more when they hide pricing, and operators pay more when they don't read it — became something he wanted to spend his time fixing at scale.
His writing reflects the operator-first lens. Posts in this category won't tell you Katalyst is the right pick for your restaurant — that's your decision to make from your own data. They'll tell you what the data is, where to find it on your statements, and how each major vendor structures its bundled vs. interchange-plus models. The math is the math; the conclusion is yours.
When he isn't writing, Lucas still consults for a handful of independent operators on contract reviews and processor switches. He's based outside Boston, drinks his coffee black with no time for pour-over theatre, and maintains that the best meal of his life was a $9 plate of shaved-ice cendol at a hawker stall in Penang. Take any of his pricing analysis as seriously as you'd take that food review.
Articles by Lucas

Why 24-month POS contracts don't make sense in 2026
Long POS contracts exist because vendors used to finance hardware. The hardware financing is gone, but the contract length stayed. Here's why operators should push for month-to-month or annual terms.

Catering: the $1M revenue channel most restaurants leave on the table
Catering economics for restaurants: average order sizes, margins, lead-time logic, deposit math, and how operators get from $0 to $200K and then to $1M without hiring a full second team.

Bundled vs interchange-plus payment processing — what restaurants actually pay
Bundled and interchange-plus look similar on the marketing page. They're not. Here's how each model actually works on your monthly statement, and what the difference costs a typical restaurant.

POS contract red flags before you sign
Auto-renewal traps, 36-month minimums, hardware lease lock-in, processor entanglement, and the contract clauses every restaurant operator should know before signing a POS agreement.

How to switch POS systems without losing data
A 6-step migration playbook for operators changing POS vendors. What transfers cleanly, what doesn't, and how to run two systems in parallel without breaking service.

Restaurant POS pricing in 2026: real costs from every major vendor
A line-by-line breakdown of what Toast, Square, Aloha, Clover, Lightspeed, and TouchBistro actually cost a restaurant — software, hardware, processing, and the add-ons vendors quietly add later.