Challenge an idea

To: Priya Raman (for exec offsite pre-read) From: Staff PM Re: The strongest case against committing three squads for three quarters to Fieldline Pay

Bottom line

Payments is a real opportunity, but the $24M is not supported by our own data. Re-estimated from the pack, month-24 run-rate is roughly $1M–$6M, central case about $2.3M. Even the most generous extrapolation of the pilot gives about $9M. The plan would pause the scheduling rewrite, which is tied to $1.9M of churned ARR a year, to fund a payments line that at its central case earns about the same amount after nine squad-quarters. I recommend a smaller, staged bet.

1. The assumption the plan depends on most

The plan assumes a dollar of invoice value is worth 0.7% to us. It is not, because 0.7% is the margin on card payments only.

The term sheet says we net about 0.7% on card value, but ACH nets $1.60 per payment ($2.00 charged, $0.40 cost), and checks and cash earn nothing. The CEO and CFO models apply the card margin to all $4.83B of invoices. What matters is how those invoices get paid.

• Commercial jobs are 58% of invoiced value, and only 5% of that is paid by card. The average commercial invoice is $3,800, so ACH nets $1.60 / $3,800 = 0.04%.
• Residential jobs are 42% of value, and the pilot lifted card share to 71%.

Yield per dollar of volume that actually flows through Fieldline Pay, using pilot card shares and assuming the non-card remainder moves by ACH:

Even if every invoice dollar went through Fieldline Pay, the blended yield would be 0.30%, less than half the modelled 0.7%.

The evidence is consistent with this: - 11 of 14 mostly-commercial customers say their clients require ACH or check. - 6 of 22 won't offer card at all. - Head of Sales expects property managers to refuse 2.9% on a $3,800 invoice.

Pilot revenue is $5,630 per adopting customer, against the $14,700 the CEO's model implies ($2.1M × 0.7%). That is 38% of the claim, from a pilot that was 64% residential, against 42% for the base. This is the best case for the mix.

Two supporting errors compound this: - The $2.1M is a mean. The median customer invoices $640k. The top 115 customers carry 48% of volume, and 71 of them are on multi-year processor contracts, mostly to 2028. Sales expects none to move. - Tradesly is not a comparable. It is about 80% residential, and we are 42%. Its 22% revenue share says little about a base that is mostly commercial by value.

2. Re-estimate of month-24 run-rate

Formula: addressable volume × adoption × share of adopters' invoice value routed through Pay × blended yield.

Addressable volume. I remove the locked-in accounts, assuming the 71 are typical of the top 115: 71/115 × $2.32B ≈ $1.43B. That leaves $3.40B.

• Adoption. The pilot's 61% came from invited customers over four months, so I treat it as a ceiling.
• Routing. The CEO's model implicitly assumes 100%. Customers who adopt still get paid by check and cash on many invoices, and payers choose the method.
• Yield. Base is the whole-base mix. High approaches the pilot's residential-heavy 0.42%. Low assumes the locked-in accounts are commercial-heavy, so the remainder skews slightly more residential and the low case is harsher than it needs to be.

Cross-check against the pilot. The base case implies about $2,300 per adopting customer, against $5,630 in a residential-skewed, hand-picked pilot. That is plausible. The most generous version applies the pilot's $5,630 to 1,610 customers, giving $9.1M. That ignores the lock-ins and the pilot's mix, and it is still 38% of the claim.

Implication for the board. At $2–6M, payments would be roughly 5–12% of revenue, not 35% by 2028. Reaching $24M would need about a 3% yield on the volume in my base case, which is not available on this term sheet.

Caveats: - Payment-method data comes from only 690 self-reporting customers (30%). - The pilot ran four months. - I have not modelled ramp, disputes or chargebacks, or upside from a paid fast-payout product. That last one is the most interesting missing piece.

3. What would prove me wrong, and the cheapest test

To vindicate the plan, we would need to show that commercial volume can yield at least ~0.5% net, with at least 60% of adopters' volume routed through Pay. That would put the total near $15M or more. On a $3,800 invoice, 0.5% is about $19 net per invoice. That requires either much higher commercial card share, or a fee people will pay, such as faster payout.

A six-week constraint: commercial invoices take 52 days on average to be paid, longer than the test window. We cannot wait to observe commercial cash-in, so the test must use leading indicators and data we already hold.

The test (roughly one PM, one analyst and one engineer, using existing pilot plumbing): 1. Week 1: re-cut the existing pilot. Split the 38 customers by commercial share and compute yield per dollar of volume for the commercial-heavy ones. Their older invoices are already paid, so this costs nothing and tells us quickly whether 0.08% is right. 2. Weeks 1–6: a commercial-heavy cohort. Recruit about 20 mostly-commercial, non-locked-in customers, drawn from the 11 who said their clients require ACH or check. Turn on pay-by-link and measure the share of payers who choose card and the share of invoice value routed via link. 3. Weeks 2–6: price a fast-pay offer. Offer these customers accelerated payout, funded by a fee, as a real priced offer with sign-up. Nine of 22 said they would pay to be paid faster, and this is the only route I see to meaningful commercial yield. Measure conversion at the stated price.

Thresholds, set now: commercial card share above 25%, or fast-pay uptake implying at least 0.3% net on routed commercial volume. Below both, the base case stands and the bet should be sized to it.

4. What we should do instead

Don't commit three squads for three quarters, and don't pause the scheduling rewrite. The rewrite addresses the top-cited churn reason in the >50-technician segment, which lost $1.9M ARR last year. Those are also the accounts with the most volume and the ones payments can't reach. Cutting the rewrite risks retention at the top of the base to chase payments revenue the top can't deliver.

A staged alternative: 1. Fund one squad for two quarters, focused on residential-heavy and small customers, where the pilot works (71% card share, ~0.6% yield). Ship pay-by-link, card and ACH broadly, and track net revenue per adopting customer and routed share. 2. Run the six-week commercial test above. Its result decides whether a second and third squad get funded for a commercial cash-flow product (fast payout or early pay). That product fits the real pain: 17 of 22 customers named getting paid on commercial jobs as their biggest cash problem. 3. Set gates. Add squads only when the test or the first quarter's data shows blended yield above 0.4% on routed volume. Revisit the locked-in accounts as contracts approach expiry in 2028. 4. Reset the board narrative from "$24M / 35% of revenue" to a $2–6M range with a clear path to more if commercial monetisation works. For the raise in about 14 months, a measured payments attach rate and net revenue per customer will be more credible to investors than a projection that unravels in diligence.

The CEO's instinct that payments could make Fieldline stickier is sound, and the pilot's 61% adoption is a good sign. But the current plan assumes we can monetise the volume we don't touch at the rate we monetise the volume we do, and our own numbers say otherwise.

Fieldline Pay: the case against the plan as written

Sep 25, 2026 · @Martin Slaney · Pre-read for exec offsite

Bottom line

The $24M figure applies a card-only margin to invoice value that is mostly not paid by card. Re-estimated from our own data, Fieldline Pay is a $2–7M business at month 24, central case about $4M. That is worth building, but not with three squads for three quarters, and not by pausing the rewrite that cost us $1.9M ARR last year.

1. The assumption that breaks: a 0.7% blended take

The 0.7% is not a blended rate. It is our net margin on card payments (2.9% charged, \~2.2% cost). The model applies it to all $4.83B.

• Card is 19% of invoice value today. ACH is 44%, check 31%, cash 6%.
• ACH nets a flat $1.60 per payment. On a $3,800 commercial invoice that is 0.04%; on a $410 residential invoice, 0.39%.
• Checks and cash earn nothing.
• Commercial is 58% of value, and its card share is 5%. With pay-by-link on every invoice, the pilot moved it to 6%. Sales and 11 of 14 commercial-heavy interviewees say clients require ACH or check.

Worked through at pilot-level card adoption (assuming half of non-card value moves to ACH):

At today's payment mix, with no card uplift, blended take is about 0.15%.³

The $24M needs 0.71% across 70% of customers: every processed dollar on card. Even 100% adoption of all $4.83B would need 0.50%, above what the residential-skewed pilot achieved (\~0.38%).

Two things compound it:

• Adoption by customers is not adoption by value. The top 115 customers hold 48% of value; 71 are locked into processor contracts, mostly to 2028. Pro rata, that is \~$1.43B (30% of value) out of reach in the window. The pilot's 61% came from an invited, 64%-residential cohort.
• Tradesly is not a comparable. It is \~80% residential; we are 42%. Its 22% shows residential payments work, which our pilot confirms. It says nothing about commercial.

2. Re-estimate: $2–7M at month 24

Addressable value = $4.83B less about $1.43B locked = about $3.4B. Revenue = addressable value × value-weighted adoption × blended take.

Cross-check from the pilot: $5,630 per customer a year on a 64%-residential cohort. Re-weighted to our mix (0.27% ÷ 0.38%) that is \~$4,000. Across 1,000–1,560 adopters (45–70% of the 2,229 unlocked customers), it gives $4.0–6.2M, consistent with the central-to-high cases.

Central case is \~10% of current ARR, not the 35% of revenue told to the board. Against it: three squads for three quarters, and the rewrite delayed in a segment that lost $1.9M ARR last year. At the central case, year-two payments revenue roughly covers two years of that churn if it continues.

3. What would prove this wrong, and the cheapest test

I am wrong if commercial invoice value can be moved onto rails we earn on. The threshold: a commercially representative cohort showing blended net take of 0.5% or more through Pay. Below 0.3%, the $24M is off the table.²

Six-week test, configuration only, no new build:

1. Enable Pay for 30 customers with at least 60% commercial invoice value, none from the pilot.
2. Attach pay-links to open invoices sent in the last 60 days, not just new ones. Commercial invoices take 52 days to pay; new invoices alone won't settle inside six weeks.
3. Split the cohort on ACH price: half at the current flat $2, half at 0.5% capped at $25. Flat pricing is why commercial ACH earns $1.60 on a $3,800 invoice instead of $19.
4. Make payment-method capture mandatory for the cohort, so we stop relying on the 30% who record it.
5. Measure value-weighted method mix and net take by segment, plus opt-outs and payer complaints.

Alongside it, at no cost: account managers ask the 44 unlocked top-115 accounts whether they would move processors in 2027. More than ten yeses changes the adoption maths.

4. What to do instead

Shrink the bet, point it where the evidence is, and gate the rest.

• Keep the scheduling rewrite. It protects known ARR. Payments is unproven in the segment that holds most of the value.
• One squad on Pay for residential work now. The pilot shows it works there (71% card share). Ship pay-by-link, default on.
• Reprice ACH from flat $2 to a capped percentage, subject to the test. It is the largest lever on commercial take and needs no new build.
• Go after the real problem. 17 of 22 customers named getting paid on commercial jobs as their biggest cash problem; invoices take 52 days; 9 would pay to be paid faster. An early-payout product (for example, 1.5% to get paid in two days) earns $57 on a $3,800 invoice against $1.60 on ACH.¹ It earns on the 58% of value that card never will. It needs a capital partner; scope it in the same six weeks with a priced offer to 10 commercial customers.
• Gate at week six. If commercial take clears 0.5% or the early-payout offer converts, add squads then.
• Reset the board number now. We raise in about 14 months, when Pay will show perhaps a $2–3M run-rate. Walking the board from $24M to a range today is cheaper than explaining the gap in a data room.