L7 — Booking Systems
AI-native. Principal-led. Operator-stays. For small business owners who deserve top-of-market work at prices traditional consulting won't quote.

Calendly takes bookings. A custom system runs your business.

Off-the-shelf scheduling tools break when you need Stripe deposits, custom intake, multiple service types, and an admin view that shows your real operations. L7 builds the system that does all of it.

The difference

Calendly, Acuity, Square Appointments: fine for simple scheduling. They break when you need:

·Stripe deposits collected at booking time
·Custom intake forms that feed your actual workflow
·Multiple service types with different pricing and durations
·A branded experience that isn't "Calendly blue"
·An admin view that shows your real operations (not just a calendar)
What L7 builds
·Booking forms with custom intake questions
·Stripe deposit or full-payment collection at booking time
·Automated confirmation and reminder emails (Resend)
·Calendar sync (Google Calendar, iCal)
·Customer-facing booking history and rebooking
·Admin dashboard with schedule, customer records, and revenue view
·Cancellation and reschedule flows
·Multi-host and multi-location support
Proof — three builds
L7's own product
ShiftBook
L7 built its own Calendly replacement: multi-host booking, Stripe Connect, calendar integrations, magic-link auth. L7 cancelled Calendly the day ShiftBook went live.
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Studio launch
Shariel's Lashes
ShiftBook-powered booking with Stripe deposit handling, Resend reminders, and 90 days of L7-operated customer support. Studio opened at premium pricing.
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Service business SaaS
Scat Pack CLT
Recurring service scheduling, customer notification system, ops dashboard, and subscription billing. Full SaaS platform built and live in 24 hours.
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Why custom over SaaS

You own the code. No per-booking fees. No "upgrade to unlock reminders." No Calendly branding on your customer's booking page. When you want to add a feature, L7 adds it. You don't wait for a product roadmap. The system is built for your business, not the average service provider's. And when the business grows, the system grows with it.

How to start

Stack Map ($1,497): 90-minute live session with Kenneth Leftwich. Walk away with a scoped plan for your booking system: the exact stack, timeline, and price. No open-ended proposals.

Book a Stack Map — $1,497
Frequently asked
How much does a custom booking system cost?
Entry-level booking integration (ShiftBook embed with custom intake) starts around $1,500–2,500. A full custom booking platform with admin dashboard, customer portal, and reporting typically runs $4,000–8,000 depending on complexity. Start with a Stack Map ($1,497) to get an exact scope.
Can L7 build a booking system that takes deposits through Stripe?
Yes. This is a core L7 pattern. ShiftBook handles it natively, and Shariel's Lashes uses Stripe deposit collection at booking time. Deposits, full payments, and pay-later options are all configurable.
How is a custom booking system better than Calendly or Acuity?
Calendly and Acuity are built for generic scheduling. A custom system is built for your workflow: your service types, your pricing, your intake questions, your notification logic, your admin view. No monthly fee per host, no per-booking percentage, no 'powered by Calendly' on your customer's screen.
Does L7 integrate with Google Calendar?
Yes. ShiftBook integrates with Google Calendar and iCal. Bookings sync to your calendar and conflicts are detected before confirmation.
Can the booking system send automatic reminders?
Yes. L7 builds reminder flows via Resend: confirmation at booking, reminder 24 hours before, follow-up after the appointment. All customizable per service type.
What if I need booking for multiple staff members or locations?
ShiftBook supports multi-host booking. Each staff member or location gets their own branded booking page under one workspace. This is how Shariel's Lashes and L7's own ShiftBook product are structured.
How long does it take to build a custom booking system?
A ShiftBook integration with custom intake and Stripe takes 1–2 weeks. A fully custom booking platform with admin dashboard typically takes 3–5 weeks. L7 gives exact timelines at the Stack Map stage.
Does L7 maintain the booking system after launch?
Yes. L7 offers managed retainer plans ($500–3,500/month depending on scope) for ongoing maintenance, updates, and operations. Shariel's Lashes had 90 days of L7-operated customer support included in the launch package.
Break the Square / Work with L7

Ready to own your booking flow?

Stack Map ($1,497): 90 minutes with Kenneth Leftwich. Walk out with a scoped plan for your custom booking system.

Book a Stack Map →See ShiftBook