What it means
Handing over a large sum in one payment transfers all the risk to the payer at the moment of transfer. Drip feeding keeps that risk with the payer for longer, because each subsequent instalment can be withheld, delayed or renegotiated if things are not going to plan.
That is why investors, grant-making bodies and parent companies so often prefer it. The recipient's experience is the mirror image.
A drip-fed business has less cash on hand at any moment, which limits what it can commit to, but it also faces a lower temptation to overspend early and often develops sharper financial discipline as a result. Founders frequently dislike the arrangement and then admit it kept them focused.
The mechanics vary. Some drip feeds are purely calendar-based, releasing a fixed amount each month or quarter, while others are milestone-based, releasing funds only when an agreed target is reached, such as a product launch, a revenue level or a regulatory approval.
Milestone-based drips give better alignment but require unambiguous definitions of what counts as achieving a milestone. Drip feeding appears well beyond funding.
Retailers drip feed stock into stores to avoid markdowns, investors drip feed money into markets through regular monthly contributions to reduce timing risk, and communications teams drip feed announcements to hold attention over a launch period. The common thread is spreading exposure across time.
The key risk is a funding gap. If the drip does not keep pace with the cash the business is actually consuming, the recipient can run out of money while a committed facility sits unpaid, so the schedule needs to be modelled against the burn rate rather than agreed on instinct.
In practice
Real-world examples.
Example
A government innovation grant of $450,000 is drip fed across nine quarterly payments of $50,000, each released only after a progress report is accepted. The recipient organisation builds its hiring plan around the payment dates rather than the headline figure.
Example
A fashion wholesaler drip feeds a new range into 40 stores at 25% of the allocation per fortnight. Early sell-through data from the first drop determines the size of the second, which cuts end-of-season markdowns considerably.
Example
A private investor puts $2,000 a month into an index fund rather than investing a $24,000 lump sum. She accepts that this will produce a lower return on average, in exchange for removing the risk of committing everything the week before a sharp fall.
Formula
Calculation
Net monthly cash drain = Monthly cash burn - Monthly drip amount
Runway in months = Opening cash / Net monthly cash drain
A startup has $180,000 of cash in the bank and spends $65,000 a month on salaries, hosting and overheads. Its investor has committed $600,000 but will release it as a drip feed of $50,000 per month rather than in a single payment.
Net monthly cash drain = $65,000 - $50,000 = $15,000
Runway = $180,000 / $15,000 = 12 months
Over those twelve months the investor pays out 12 x $50,000 = $600,000, exactly the committed amount, and the company ends the period with its cash balance run down to zero. The schedule works, but only just, so the founders negotiate two changes: the first instalment is doubled to $100,000 to fund a hiring push, and any month where the drip is late by more than five business days pauses the milestone clock. Without those adjustments a single delayed payment would have cost the company a month of runway it did not have.Case study
Seen in the real world.
Verity Bioscience is a fictional diagnostics startup created for this illustrative case. It raised a $3,000,000 round in which only $750,000 arrived at completion, with the remainder drip fed in three tranches of $750,000 against clinical validation, regulatory submission and first commercial sale.
The first tranche went smoothly. The second nearly failed, because the milestone was written as "regulatory submission accepted" without defining acceptance, and the regulator's initial response asked for further information rather than either accepting or rejecting. Verity spent seven weeks in a funding gap, delayed two hires and had to ask its landlord for a rent deferral.
The company and its investor rewrote the remaining milestone in precise language, added a 30-day cure period and agreed a $200,000 bridge facility that could be drawn if a milestone was disputed. Verity's chief executive later described drip feeding as fair in principle and dangerous in drafting, and the firm now models its cash position against the worst plausible payment date rather than the expected one.
Watch out
Common mistakes.
- Treating the full committed amount as available cash in the forecast, when only the instalments actually received can pay a supplier.
- Writing milestones in vague language, which turns a funding schedule into a negotiation at exactly the moment the recipient has least bargaining power.
- Setting a drip amount from the funding total rather than from the recipient's actual monthly burn rate, so the schedule and the need never quite line up.
Questions
People also ask.
Why do investors prefer drip feeding?
It limits the amount at risk at any moment, keeps performance pressure on the recipient, and gives the investor a natural point at which to reassess before committing more.
Is drip feeding the same as tranched funding?
They describe the same idea, though tranche is the more formal term used in investment documents while drip feed is the everyday phrase.
Can a drip feed be renegotiated mid-way?
Usually yes, since both sides normally prefer to adjust the schedule rather than see the plan fail, but the recipient's leverage is far weaker once it depends on the next instalment.
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