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    Golf Courses, Weather-Triggered Tee Sheet Fill & Lapsed Golfer Win-Back Engine

    The tool watches the next 72 hours of tee times against the hour by hour forecast for the course itself, finds the blocks that are going to sell badly on days that will be good to play, and texts a priced offer for those exact slots to the golfers who have gone quiet. The Saturday morning prime window is never touched, the price never drops below a floor the general manager sets, and golfers prepay on the course's own page so the recovered round does not turn into a no show.

    Build it yourself, free

    This blueprint is free. Copy the master prompt below, build it with your own time, and the only outlay is a few low-cost tool subscriptions. Use it inside your own business, or sell it to clients. The numbers further down are what you can charge, not what you pay.

    Eleven Empty Slots on a 72 Degree Thursday Afternoon
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    Eleven Empty Slots on a 72 Degree Thursday Afternoon

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    Who you sell it to

    Public, municipal and daily fee golf courses, which is 10,291 of the 13,782 courses in the US. The buyer is the general manager or the director of golf, and the owner or the city parks director signs off anything above about $3,000. Your best targets are courses already handing tee times to a marketplace on a barter deal: those agreements trade technology for inventory, the marketplace sells 50 to 70% of what it takes, and one course put the real cost of theirs at over $116,000 a year in given-away tee times.

    Ask one question on the first call and the fit is obvious: how many tee times a week go to your barter partner, and what do you get back for them? Find them through state golf association member lists, municipal parks and recreation department pages (city-run courses have published budgets and a documented revenue problem), and golf course management companies running 6 to 30 courses, where one build and one calibration pass covers the whole portfolio. Skip private clubs with waiting lists, resort courses whose rates are set by the hotel, and any course sitting above 80% utilisation, because they have no hole to fill and will not pay you to find one.

    If you sell it, here is the money picture:

    The first tile is the value of your client's own jobs, which is the reason they will pay you. The other two tiles are what you charge them.

    What your client's own work is worth
    $41-$75 per recovered round (the US public course average green fee is about $41), against roughly $103,000 a year in no show and empty slot leakage at an average public course
    Their revenue, not your fee
    Setup fee you charge
    $2,500-$4,500
    One-off, paid to you
    Monthly retainer you charge
    $397-$697
    Recurring, paid to you

    How it works

    The course's tee sheet goes in by CSV export, or by a 60 second tap-through grid behind the counter, or by an API push if their software allows it. Every 3 hours the tool pulls a 72 hour hourly forecast for the course's exact coordinates and scores each hour from 0 to 100 on rain, wind, temperature and frost risk. Then it groups the next 3 days into time blocks (early morning, morning, midday, afternoon, twilight) and looks for the specific combination that is worth acting on: a block below the utilisation target, on hours scoring 50 or better, with at least 4 player slots open, outside the protected prime window.

    That block becomes a draft campaign with a price worked out from how close the tee time is and how deep the hole is, hard floored at the number the general manager will stand behind. The staff see a card with the whole calculation on one line, approve it, and the offer goes out in waves. Lapsed and dormant golfers get it first.

    The slipping segment 4 hours later if slots are still open. The active regulars last, and only inside 18 hours. Every wave cancels itself the moment the block fills.

    Golfers book and prepay by card on the course's own page, which closes the no show gap at the same time (about 9% of booked tee times across the industry go unplayed). If the forecast turns after people have paid, the tool flags the affected bookings and sends a 90 day rain credit instead of a refund, keeping the money in the business and freeing the slot to resell.

    What to expect

    First results inside the first week of the pilot, because the inventory and the golfers both already exist. Courses running variable pricing on their thin slots typically see a 10 to 20% lift in revenue per round, with most of it coming from exactly the undersold morning and late afternoon blocks this tool targets. Expect the lapsed segment to redeem at several times the rate of your active golfers, which is the number that justifies the whole wave ordering.

    Two things will go wrong if you are careless. One is cannibalisation: if the discounted share of total rounds climbs past about 20% you are selling cheap rounds to people who would have paid full price, and the fix is a higher floor and a tighter utilisation target, not more sending. The other is the list.

    A point of sale export is not SMS consent, so you run a permission email first and accept losing a chunk of the names, because one complaint about unsolicited texts costs more than the retainer. Allow 1 to 3 business days for A2P 10DLC approval before any SMS goes out, and do not promise a launch date inside that window. The honest ceiling: this does not fix a course golfers have stopped wanting to play.

    It converts a tee sheet that is 55% full on a good day into one that is closer to 70%, and it pulls a slice of lapsed golfers back into the habit. Courses renew on that second number more than the first.

    Master prompt

    You are an expert full-stack builder. Build a production-ready tool that… (the complete master prompt, custom input fields, build phases, pricing guidance and sales script are part of this blueprint.)

    Create a free account to unlock the full blueprint

    Master prompt, editable client fields, phase-by-phase build steps, pricing and the sales pitch.

    Build phases

    Step-by-step build phases unlock when you log in.

    Required tools

    Lovable

    Builds and hosts the whole application, including the database, the scheduled background jobs that fetch weather and run gap detection, and the secrets store for the other five services.

    Paid plans from $25/month, Lovable Cloud required for the database and scheduled functions

    Sign up

    OpenWeather One Call API 3.0

    Hour by hour 72 hour forecast for the course's own coordinates, which feeds the playability score that decides whether a block is worth a fill offer at all.

    1,000 calls/day free then about $0.0015 per call, card required to activate

    Sign up

    Twilio

    Sends the fill offers, confirmations and tee time reminders by SMS, and receives STOP replies so opt-outs are honoured automatically.

    About $1.15/month per US number plus $0.0079 per SMS, A2P 10DLC registration about $4 one-time plus $2/month per campaign

    Sign up

    Resend

    Sends the email half of every campaign from the course's own domain, which reaches the golfers who ignore texts and costs nothing per message at this volume.

    3,000 emails/month free, then from $20/month for 50,000

    Sign up

    Stripe

    Takes full prepayment for the discounted round at checkout, which is what stops the recovered slot turning into a no show, and handles automatic refunds when two golfers race for the last slot.

    2.9% plus 30c per transaction in the US, no monthly fee

    Sign up

    AppBuild.DIY (Vibes)

    Wraps the finished build as a native iOS and Android app plus a PWA, with the Native Capabilities panel used here for Push Notifications (fill offers, confirmations, reminders, staff approval alerts) and Photos and Camera (course conditions shots attached to an offer).

    Free for up to 10 users with every feature, $49/month up to 1,000 users, $99/month unlimited

    Sign up

    Pricing

    Pricing guidance unlocks when you log in.

    Sales pitch

    The outreach script unlocks when you log in.