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Case study

Aventurova Jeep & UTV Rental Platform

A booking and operations platform for a Jeep and UTV rental company in Aruba — public reservations, seasonal pricing, online and counter payments, signed rental agreements, and the back office the staff run the day from.

Aventurova Jeep & UTV Rental Platform — interface design by NeoDimensional
Industry
Travel & Tourism
Services
Booking Platform, Pricing Engine, Payments, Operations Software
Focus
Vehicle Rentals, Seasonal Pricing, Counter Operations

Scope at a glance

7Jeeps and UTVs bookable online, with per-vehicle availability
5Pickup and return points across the island
12Optional add-ons and protections
6Steps from picking dates to a paid, confirmed rental
4h / 8hUTV packages, priced by the hour rather than the day

The problem

Rental pricing is not a price list.

What we built

We built one pricing engine and made every surface ask it — the public booking flow, the staff booking form, the quote a guest is emailed.

Where it is now

Aventurova takes reservations online and runs the counter from the same system, with one source of truth for what a vehicle costs.

Overview

Aventurova rents Jeeps, UTVs and cars to visitors arriving by plane and cruise ship. The public side had to quote a real price for real dates on vehicles that were genuinely free, and the counter side had to survive a busy morning: hand a vehicle over, take payment however the guest wants to pay, print an agreement, and know at a glance what is going out and coming back today.

The challenge

Rental pricing is not a price list. The rate depends on the season, on how long the guest stays, and on the vehicle — and the same booking can be paid online, on a card at the desk, or in cash, each of which moves the balance differently. Getting any of that wrong is not a cosmetic bug; it is money. The system also had to be usable by staff who were not hired to operate software.

Our approach

We built one pricing engine and made every surface ask it — the public booking flow, the staff booking form, the quote a guest is emailed. Prices are never duplicated in code or copy, so a rate change lands everywhere at once. Around it we built the parts a rental counter actually needs: a six-step booking flow, payment handling for online and desk transactions, generated rental agreements the guest signs, a day board for pickups and returns, and reporting the owner reads to see where the money came from.

What we shipped

  • Seasonal pricing engine with duration ladders — the per-day rate falls as the trip lengthens, priced per day against that day's own season.
  • Six-step booking flow that quotes live availability and a real total before the guest commits.
  • Online payments through Mollie alongside cash and card taken at the desk, with the balance reconciling across all three.
  • Rental agreements generated as signed PDFs, itemising every add-on and protection so nothing is charged without being named.
  • Referral links for hotels and tour desks that attribute a booking automatically and pay commission on the rental, never on tax.
  • Operations back office: day board, fleet and maintenance, staff scheduling, and financial reporting.

The outcome

Aventurova takes reservations online and runs the counter from the same system, with one source of truth for what a vehicle costs. The platform is live and in daily use.

What the price actually does

The heart of this build is a rate that moves with the season and the length of the trip. Every figure below was read from the live booking API, not modelled — each chart says when it was taken, and the numbers behind it can be opened.

One vehicle, seven prices — the duration ladderPer-day rate the live engine returns for the same September pickup, by trip length. Read 2026-08-31.
$0$70$140$210$280123571014Trip length (days)Jeep Gladiator$144.99/dayJeep Wrangler$129.99/dayKia Sorento$114.99/dayHyundai Elantra$79.99/day
The same trip costs more in FebruaryPer-day rate for an identical 3-day rental taken on the 15th of each month. Read 2026-08-31.
HIGH SEASON$0$55$110$165$220SepOctNovDecJanFebMarAprMayJunJulAugJeep WranglerKia SorentoHyundai Elantra
How a price reaches the guestOne engine answers the marketing site, the booking flow and the counter — so the three cannot disagree.
realdealcarrental.comMarketing site · Next.js · publishes a rate only ifit holds in all three probe windowsbook.realdealcarrental.comSix-step booking flow · quotes the guesttheir own dates before they commitPOST /api/booking/availabilityPricing engine — the single source of truthPrices each day of the rental against that day’s own season, then applies the duration ladder across the whole stay.Adds protections, add-ons, tax, card fee and the security deposit. Rounds part-days up — 8:00am to 4:00pm seven days later is 8 days.The staff booking form and the signed contract call the same code, so no screen can quote a number the others do not recognise.PostgreSQLSeasons, rate cards, fleet,bookings, audit logMollieOnline payment + refunds,reconciled with desk cash & cardObject storageSigned contract PDFsand fleet photographyBack office on the same data: day board · fleet & maintenance · contracts · staff scheduling · financial reporting · referral commission

Inside the product

Screens captured from the running system, not mockups.

Implementation notes

The decisions that took the longest to get right, and why they went the way they did.

A UTV is not a car with fewer doors

UTVs rent in four- and eight-hour packages, only between 8:00am and 5:00pm, and only return to one office. Those are not display copy — the availability calculation, the booking-rules panel and the vehicle card all read the same constraints, so the flow never offers a slot the business cannot honour.

Telling a guest when the machine is free again

When a vehicle is out, an empty card teaches the guest nothing and loses the booking. Each unavailable machine shows the moment it comes back, computed from the reservation it is actually sitting inside, so a visitor can move to the afternoon instead of leaving.

Two platforms, one set of habits

This runs alongside a sister platform for a car-rental business. They are separate products with genuinely different rules — protections are taxed here and exempt there — but the money invariants, date handling and reporting buckets are kept deliberately identical, so a fix found in one is applied to both rather than the two drifting apart.

Extensions that stay legible in the accounts

Guests extend on the day, at the counter. An extension re-prices the new window through the same engine and records what was added, so it appears in financial reporting as extension revenue rather than as an unexplained change to the original total.

The team was always available, no matter the time. Guljar and his talented team developed three professional booking software systems and designed and developed more than four outstanding websites.

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