Double bookings
A guest books on Booking, your daughter books someone else directly. Crisis.
Made for rental businesses
Stop double bookings between Airbnb, Booking and your Excel.
One dashboard where all your rental channels come together — caravans, boats, holiday homes, vehicles. Live calendar, automatic invoices, contracts in one click. No more double reservations, no manual retyping.
8h
Saved per week (average)
0
Double bookings after launch
3-6w
Lead time for a base system
15+
Rental operators on board
// the problem
Most rental operators run on five tools that don't talk to each other.
Excel for planning, WhatsApp for customer contact, a hacked booking plugin on the site, a separate invoicing tool, and a 'Contracts 2026' folder on Google Drive. It works — until it doesn't.
Manual retyping
Booking → invoice → contract → calendar → bookkeeping. Four times the same data.
No overview
Who paid? Which deposit needs to go back? What's empty next weekend? No idea.
quick maths
What's that admin actually costing you?
Slide the two bars to your situation. The number on the right is what you spend per month on things an integrated system does for you — and how quickly a typical build pays itself back.
5 h/week
€45 /hour
saved per month
saved per year
until a build of € 8.000 is paid back
Indicative — your real situation sets the number. The build (€ 8.000) is a guide price for a rental booking system; we'll make it concrete in the first call.
// the solution
One dashboard. Everything in it.
I build a rental platform that fits your process exactly — not the other way around. Including the hooks to the places you already get bookings from.
Central calendar
Every booking, whether it comes from Airbnb, Booking, your website or the phone, visible in one calendar. Channel-manager hooks block overlap automatically — double reservations become technically impossible.
- Sync with Airbnb, Booking, Vrbo
- Multi-location (multiple properties, vehicles, boats)
- Drag & drop rescheduling
- Colour-coded by status (booked, paid, checked in)
- iCal export to your phone calendar
Automatic invoices & contracts
Guest books → invoice and contract are generated, emailed and dropped into your bookkeeping. NL and ES templates, right language per guest.
Deposits & payments
Stripe or Mollie link for deposit, final payment and automatic deposit return after inspection.
// when SaaS stops fitting
Good tools, different job.
Tommy, Booqable, Avantio and Icnea are fine — for what they are. Here's where they break for rental operators working in two countries or with their own workflow.
Tommy
Point-of-sale software that does rentals on the side.
breekt op:
No multilingual customer portal, no native NL bookkeeping link built in.
Booqable
Generic rental SaaS, one template.
breekt op:
Works for 1 product type. Breaks the moment you combine different object types or locations.
Avantio
Enterprise holiday rentals, from 20 units up.
breekt op:
€280+/mo, Spanish-first, no NL interface. Too heavy for 5–15 properties.
Icnea
Per-property model for the Spanish market.
breekt op:
Your brand disappears. Customer sees Icnea, not you. No own-domain checkout.
Custom where SaaS stops — fixed monthly fee from €395/mo, everything included.
// how it goes
Four weeks from first call to your first real booking flowing fully automatically — channel sync, invoice, contract, customer email.
// step 0130 min · free
// step 02agreed in the call
// step 03live within 4 weeks
// step 04all included · from €895/mo
// step 01
Intro call
Half an hour. Which channels do you run now (Airbnb, Booking, your own site, Vrbo)? Which accounting (Holded, e-Boekhouden, Moneybird)? How many units, how many double bookings per month? No pitch.
30 min · free// step 02
Scope + monthly fee
Rental panel on a fixed monthly fee (€895/mo). Right in the same call we decide which channels to connect, which accounting, which payment flow (Stripe or Mollie, deposit authorisation or not).
agreed in the call// step 03
Build + channel setup
I build your dashboard, connect your channels, set up your invoicing (BTW + IVA, NL + ES). Weekly update in your portal: what's live, which channel is connected, which test bookings work.
live within 4 weeks// step 04
Live + keep building
First real booking flows automatically through all systems. From here a monthly report (uptime, revenue, occupancy) and ongoing build inside the price — add a channel, a second location, another product type.
all included · from €895/mo
Before I worked with Webstability I had three double bookings a month. Since launch in 2024 — literally zero. And I save at least half a day a week on admin.
MJ
Marco Jansen
Owner · Costa Caravans Verhuur (12 caravans · 4 static caravans)
// what it costs, how long it takes
Three tiers, one price per tier.
Fixed price upfront, four weeks to launch, ongoing maintenance after. No quotes, no extra-hours arguments.
Rental Panel · base
1–8 units · single location · standard channels
€895
/mo · everything included · excl. VAT- Central calendar + bookings
- Booking & Airbnb channel sync
- Stripe/Mollie checkout + automatic invoicing
- Customer portal with login + documents
- Hosting + monitoring + unlimited maintenance
Rental Panel · plus
8–20 units · NL+ES customer base · contracts & deposits
€695
/mo · everything included · excl. VAT- Everything in base
- Contract generation & e-signature
- Deposit flow via Stripe/Mollie
- Multilingual customer portal NL+ES
- Continued development inside the subscription
Rental Panel · large
20+ units · multi-location · custom bookkeeping link
€895
/mo · everything included · excl. VAT- Everything in plus
- Multi-location + multi-currency
- Custom bookkeeping link (Holded/e-Boekhouden)
- Multi-user team access
- SLA with faster response times
// let's talk
Want to see if it fits first?
A no-strings 30-minute call. I'll honestly look with you whether it makes sense, and if so, the shortest route to working software.