Case Study 2: Fourteen Months of Cash Flow
🔬 Deep Dive. The complete month-by-month cash-flow model for one wedding, from both sides — the client's outflow and the planner's own income — with the two structural crunches identified and quantified. If Chapter 5's marginal cost curve is the artifact to build for guest counts, this is the one to build for money in motion.
Tier 3 — Illustrative. All figures are constructed for teaching at a mid-cost US market level.
The Setup
$56,000 wedding. 150 guests. Hotel with in-house catering plus outside vendors. Fourteen-month engagement, beginning 1 July, wedding 12 September of the following year.
Twelve vendors. Contracted terms as typically offered — no staging requested.
The Client's Curve
⚡ Every payment, as originally contracted
Vendor Total Structure Venue (hotel, F&B minimum) $16,800 25% at booking · 25% at −180d · 50% at −14d Photography $5,400 40% at booking · 60% at −30d Videography $3,200 50% at −240d · 50% at −30d Band $5,200 50% at booking · 50% at −30d Florist $4,600 25% at −150d · 75% at −14d Rentals $4,900 25% at −90d · 75% at −7d Bar service $4,100 25% at −60d · 75% at −7d Lighting $2,400 50% at −60d · 50% at −7d Transport $1,900 100% at −7d Stationery $1,600 100% at −210d Cake $900 | $250 at −60d · balance at −14d Attire and beauty $3,400 staged: −300d, −180d, −60d, −14d Gratuities $1,600 day of Total $56,000 📊 Monthly outflow, as contracted
Month Date Outflow Cumulative % of total 1 Jul $9,000 | $9,000 16.1% 2 Aug $700 | $9,700 17.3% 3 Sep $0 | $9,700 17.3% 4 Oct $1,600 | $11,300 20.2% 5 Nov $1,600 | $12,900 23.0% 6 Dec $700 | $13,600 24.3% 7 Jan $0 | $13,600 24.3% 8 Feb $0 | $13,600 24.3% 9 Mar $4,200 | $17,800 31.8% 10 Apr $1,150 | $18,950 33.8% 11 May $0 | $18,950 33.8% 12 Jun $1,225 | $20,175 36.0% 13 Jul $2,650 | $22,825 40.8% 13.5 Aug $8,700 | $31,525 56.3% 14 Sep (1–12) $24,475** | **$56,000 100%
$ | █ 24k| █ | █ 18k| █ | █ 12k| █ | ▄ █ 6k| █ █ █ | █ ▂ ▄ ▂ █ █ | █ ▁ ▂ ▂ ▁ ▄ ▂ ▂ ▃ ▃ █ █ +──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬── Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug SepAlt-text: Monthly outflow across fourteen months. A tall bar of $9,000 in the first month, then near-zero through the middle with a modest $4,200 bump in March, rising through July and August, and a very tall final bar of $24,475 in September — 44% of the entire budget in the final twelve days.
The two crunches:
Crunch one — the booking cluster. $9,000 in month one, 16% of the total, within thirty days of engaging a planner. Clients expect deposits; they do not expect deposits to be a sixth of the wedding.
Crunch two — the final cluster. $33,175 in the last six weeks: **59% of the entire budget.** And $24,475 of it in twelve days.
Between them, months 2 through 12 — eleven months — account for $11,175, or 20%.
The shape, stated plainly
80% of the money moves in three months out of fourteen.
That is the finding, it is structural, and it is invisible on a budget document. It also explains a client behavior that puzzles new planners: couples who are relaxed about money for a year and become intensely anxious about it in August. They are not being irrational. They are experiencing the actual cash flow, which nobody showed them.
The Same Wedding, Restructured
Now with the staging asks from §7.2.1 made at booking.
💰 Run the Numbers: what asking at booking is worth
Vendor Original Asked Result Venue 50% at −14d Stage into three Yes — 25% at −120d, 25% at −60d, 50%→25% at −14d Caterer (within venue) — — — Rentals 75% at −7d Half at −60d Yes Bar service 75% at −7d Half at −60d Yes Lighting 50% at −7d Move to −45d Yes Transport 100% at −7d 50% at −60d Yes Florist 75% at −14d Stage No — buys product late Band 50% at −30d Stage No — fee is the members' income Photography 60% at −30d Stage No — sole proprietor Cake balance at −14d Stage No Five yeses, four noes, one not applicable. Nine questions, zero cost, thirty seconds each.
Revised final six weeks:
Original Revised Final six weeks $33,175 | **$21,050** As % of budget 59% 38% September 1–12 $24,475 | **$14,900** $12,125 moved out of the crunch, redistributed across months 8 through 12, which had been nearly empty.
Nothing was negotiated. No price changed. No vendor lost anything — every one of them is paid in full before the wedding, on dates they agreed to. The entire gain came from asking nine questions at the moment of booking, when the answer costs nothing.
🔍 Why Does This Work? Because a vendor's payment terms are set to manage risk, not cash flow. A caterer's balance falls at −14 days because that is when the risk of a client vanishing becomes acceptable, not because they need the money on that date.
Once you understand that the term is a risk instrument rather than a liquidity requirement, the ask becomes obvious and unthreatening: "same total, same protection for you, just spread for them." A vendor whose risk is unchanged has no reason to refuse — and the four who did refuse all did so for genuine liquidity reasons, not risk ones. The pattern holds precisely.
The Other Side: the planner's own cash flow
The half nobody models, and the reason planners run out of money in February.
⚡ The planner's year on this engagement
Fee: $6,400, contracted as 50% at signing and 50% at −30 days — a common and, as we will see, badly structured arrangement.
Month Planner hours Fee received Cumulative hours Cumulative fee Effective rate to date 1 22 $3,200 | 22 | $3,200 $145/hr 2 18 — 40 $3,200 | $80 3 16 — 56 $3,200 | $57 4 12 — 68 $3,200 | $47 5 10 — 78 $3,200 | $41 6 9 — 87 $3,200 | $37 7 8 — 95 $3,200 | $34 8 11 — 106 $3,200 | $30 9 13 — 119 $3,200 | $27 10 14 — 133 $3,200 | $24 11 16 — 149 $3,200 | $21 12 19 — 168 $3,200 | $19 13 26 $3,200 | 194 | $6,400 $33 14 38 — 232 $6,400 | **$27.59** Two findings.
The effort is back-loaded and the payment is front-loaded. By the time the second payment arrives at −30 days, the planner has done 168 of 232 hours — 72% of the work — against 50% of the fee. The last two months are 64 hours (28% of the total) with no further income attached.
The effective rate falls for twelve consecutive months. A planner who checks their rate in month three feels well paid. The same planner in month twelve is at $19/hour. Neither number is real; only the final $27.59 is. But the experience of the engagement is one of steadily declining return, which is a significant and under-discussed contributor to why the last two months feel so punishing.
The fix, and it costs nothing: contract the fee as 40% at signing, 30% at −120 days, 30% at −30 days. Same total, and it tracks effort far better. Chapter 37 §37.7 develops this.
And now stack three weddings
📊 Three engagements, overlapping
A planner with three weddings — 12 September, 27 September, and 11 October — books what looks like a sensible spread.
Month Wedding A hrs Wedding B hrs Wedding C hrs Total Jun 19 16 14 49 Jul 26 19 16 61 Aug 38 26 19 83 Sep — 38 26 64 83 hours in August, on top of any other engagement, plus the event day for A itself.
And on the money side: A's final payment cluster, B's, and C's booking cluster all fall in the same eight weeks — meaning three clients are experiencing peak financial anxiety simultaneously, which arrives as messages, which arrives in the same August.
This is Chapter 3 Case Study 2's finding (40% of communication in the final two months) intersecting with this chapter's finding (59% of money in the final six weeks), and the intersection is the single most predictable source of planner burnout there is.
The scheduling rule that follows, promised since Chapter 3 and developed in Chapter 37 §37.6: do not book two weddings whose final six weeks overlap, unless you have a second lead. Two weddings four weeks apart is one August. Two weddings four months apart is two manageable months.
The Client Conversation This Enables
Having built both curves, here is what you can say in month two that almost no planner says.
📋 The Planner's Script: presenting the cash-flow curve
"This is the second document, and it's the one I think matters more than the budget.
The budget says the wedding costs fifty-six thousand. This says when. And the shape is the thing I want you to see: eighty percent of the money moves in three of the fourteen months. Nine thousand in the next thirty days, almost nothing for a year, and then thirty-three thousand in the last six weeks.
That's not unusual — it's how every wedding works, because every vendor independently sets their balance date close to the event to protect against cancellation. Nobody designed it. But it means the question isn't whether you can afford this wedding. It's whether you can afford it in August.
So here's what I'd like to do. At every booking, I'm going to ask the vendor whether they'll stage the balance. It costs nothing and about half say yes. On a wedding this size that usually moves ten to twelve thousand out of August and spreads it across the spring, when your account is basically untouched.
And then I'll show you this document again at six months and at three, because I'd rather ask twice than find out late."
What this buys: a client who is never surprised by August, who understands that the shape is structural rather than a failure, and who has seen you take an action on their behalf that costs them nothing. It takes four minutes.
Discussion Questions
-
Eighty percent of the money moves in three of fourteen months, and this is invisible on a budget. Why has the industry not adopted the payment calendar as a standard deliverable? What would it cost a planner to introduce one?
-
The planner's effective rate falls for twelve consecutive months and the final figure is the only real one. Does the experience of a declining rate matter, given that it is an artifact of measurement? What would you do about it if you were designing your own contract?
-
Five vendors staged and four refused, and the refusals were all liquidity-driven. Construct a fifth category of vendor not in this case and predict which way they would go: an officiant, a hair-and-makeup team, a shuttle company, a rentals-plus-production firm.
-
The scheduling rule says not to book two weddings whose final six weeks overlap. For a solo planner in a market with a twelve-week peak season, that rule caps annual volume severely. Is it a rule or an aspiration? What would you actually do?
-
The chapter argues that clients who become anxious in August "are experiencing the actual cash flow, which nobody showed them." Test that claim: what else might explain a spike in client anxiety at −6 weeks, and how would you tell the explanations apart?
Mini-Project
Build both curves.
Part one — a client curve. Take a realistic budget for your market and twelve real vendor payment structures (exercise C.5 collected five; get seven more). Build the monthly outflow table, chart it, and compute: the booking cluster as a % of budget, the final six weeks as a %, and the share of the total moving in the three heaviest months.
Then build the revised version with staging asks applied per §7.2.1, and quantify the difference.
Part two — your own curve. For the same engagement, model your hours by month and your fee receipts by month. Compute the effective rate to date, month by month. Find the month it bottoms out.
Then redesign your fee schedule so that payment tracks effort. Compare the two.
Part three — the portfolio. Stack three engagements with wedding dates two weeks, six weeks, and four months apart. Which spacing produces a survivable August? That answer is your booking policy, and it is worth more to your career than any single client.
References
Tier 3 — Illustrative. All vendors, terms, figures, and hour counts are constructed for teaching.
Tier 2 — Attributed practice. Payment structures (25–50% deposits, balances at −7 to −30 days), the final-cluster concentration, and the differential willingness of vendor categories to stage all reflect commonly reported industry patterns. Terms vary substantially by vendor, market, and event size.
Related chapters: The payment calendar — Chapter 7 §7.2. Staging asks — Chapter 7 §7.2.1. Communication volume in the final two months — Chapter 3 Case Study 2. Planner hour distribution — Chapter 2 §2.2. Fee structures and the scheduling rule — Chapter 37 §§37.6–37.7. The planner's own annual cash flow — Chapter 36.