• Build a 90-day cash calendar to spot pressure before they impact your operations.
  • Leverage strategic payment timing to reduce reliance on short-term credit.
  • Batch weekly payments to prevent cash creep caused by ad hoc outflows.
  • Renegotiate supplier terms before peak season to preserve relationships.

Summer is a challenging season for manufacturers thanks to rising freight costs, higher energy usage, and overtime wages. This guide shows you how to build a simple, calendar-based cash plan and relieve seasonal pressure by aligning inflows and outflows, batching payments, and strengthening supplier terms.

Why Summer Creates Cash Pressure for Manufacturers

The manufacturing sector faces specific structural challenges that create cash flow pressure:

Seasonal realities. Shipping costs spike due to freight surcharges, energy consumption increases due to cooling demand and longer operating hours, and labor costs rise due to overtime required to meet deadlines.

Timing mismatch. Your customers are still paying on net 30, net 45, or net 60. The result: costs hit you immediately, while receivables trail by weeks.

Even profitable operations may find themselves in a bind if there’s a mismatch between inflow and outflow timing. To address these seasonal cash pressures, you must time your cash flow more precisely by following a cash calendar. Let's build yours.

Create a 90-Day Cash Calendar for a Bird's Eye View

A cash calendar might resemble a financial forecast at first glance, but it's actually more specific and actionable. It goes beyond static predictions to map when money moves, showing your real-time liquidity position over the next 90 days. Most importantly, it replaces aggregated projections (i.e., totals) with a granular view of your inflows and outflows.

How to Build a Cash Calendar

Use a simple spreadsheet or a whiteboard to map each week across a 90-day horizon. Log your expected inflows (e.g., scheduled customer payments, deposits on confirmed orders), fixed outflows (e.g., payroll, rent, debt service), and variable spikes (e.g., freight, fuel, inventory purchases). 

What to Flag in a Cash Calendar

Highlight pinch points where outflows exceed inflows and plan backup liquidity for those weeks. Watch for large payment clusters landing in the same week, gaps between receivables and payables cycles, and weeks where your buffer could fall below a comfortable minimum. Then, implement proactive measures to avoid scrambling for emergency cash.

Get Insights with the Right Business Banking Tools

PNC's Cash Flow Insight® tool helps you visualize actual and projected cash positions, set low-balance alerts, and track inflows and outflows in real time. Meanwhile, PINACLE® provides deeper cash visibility and forecasting tools. 

Match Big Outflows With Inflows

Once you understand your weekly cash position, you may align cash movements by scheduling major outflows after substantial inflows wherever possible. For example:

  • Schedule your freight payment for Friday if a large customer payment is expected on Thursday.
  • Place a bulk material order after a large receivables cycle clears.
  • Avoid stacking multiple large payments in the same week, even if each seems manageable.

Even small shifts may make a difference. Moving a payment by just three to five days may meaningfully reduce reliance on short-term credit, preserve liquidity for payroll and essential operations, and keep your buffer intact heading into the following week.

Stay in Control with Robust Treasury Management Tools

PNC's Treasury Management solutions give you precise control over when money leaves your account through ACH scheduling, aligning receivables and payables without manual intervention.

Use Weekly Payment Batching for Predictability

Instead of processing outgoing payments on demand, consolidate them into one or two scheduled runs (e.g., every Tuesday). This simple discipline helps improve visibility into upcoming cash needs and prevent "payment creeps" — small, ad hoc payments that individually seem manageable but collectively disrupt your cash position. 

How to Implement Payment Batching

To create a predictable outflow rhythm, set internal payment days and communicate the cadence to your team. Inform key vendors to align expectations. You may also maintain flexibility by implementing a process for urgent payments to bypass the batch schedule, but keep the exception narrow.

Streamline Payment Controls with PNC PINACLE® 

PINACLE® supports payment batching through ACH batch initiation and payment controls, while helping you streamline approval workflows to execute batches across your teams without friction.

Maintain a Small Buffer for Short-Term Gaps

Even a well-planned cash calendar can't predict everything: a key customer pays late, an unexpected repair needs immediate funding, or a rush order requires materials you don't have. A liquidity buffer gives you insurance against timing gaps that could otherwise force you into reactive borrowing.

What a "Right-Sized" Buffer Looks Like

A working buffer should cover one to two payroll cycles or a defined percentage of your monthly operating expenses. To build one, gradually set aside surplus during stronger months before paying discretionary expenses. Be disciplined about timing and batching to preserve your buffer rather than spending it down during routine operations.

Avoid the Cost of Idle Funds

A top concern about maintaining a buffer is the cost of idle funds. PNC's business checking accounts with analyzed earnings credits help offset service costs while allowing you to maintain a buffer. For gaps that exceed your buffer, a business line of credit provides revolving backup liquidity.

Refresh Supplier Terms Without Damaging Relationships

Your cash calendar may reveal that supplier payment timing is one of your biggest pressure points. Consider having a proactive conversation with key vendors to reset expectations early, giving both parties time to implement a workable structure before anyone is in a crunch.

How to Approach the Conversation and What to Ask For

Lead with transparency and frame the request as an effort to strengthen the partnership and align production cycles. You may offer trade-offs for better terms, such as consistent order volume and longer contracts. In exchange, you may request extended terms, partial payments tied to production milestones, or early payment discounts (when the numbers work in your favor). 

But what should you actually say when you pick up the phone?

A Simple Supplier Call Script for Negotiating Payment Terms

Adapt this script to orchestrate a successful negotiation:

  • Opening: "We're reviewing our summer production schedule and aligning payment timing across key partners."
  • Context: "With increased freight and energy costs, we're tightening how we time cash outflows."
  • Request: "Would you be open to extending terms to net-45 for the next quarter?"
  • Reassurance: "We value our relationship and want to ensure consistent order volume and on-time payments."
  • Trade-off (optional): "We can also explore larger batch orders or longer-term commitments on our end."
  • Close: "What flexibility might be possible on your side?"

Maintain a collaborative tone and focus on sustaining mutual stability — most suppliers prefer a partner who plans ahead and gives them visibility.

Putting It All Together: A Practical Summer Cash Plan

Follow these steps to protect your cash flow this summer:

Step 1: Build a 90-day cash calendar

Step 2: Identify your highest-pressure weeks

Step 3: Align major outflows with expected inflows

Step 4: Batch payments on a weekly schedule

Step 5: Maintain a liquidity buffer and understand your backup options

Step 6: Refresh supplier terms proactively

The goal of this cash plan isn't dramatic cost-cutting. Rather, it helps improve timing and coordination between inflows and outflows, while building visibility to guide decisions before a gap becomes a crisis.

Build Your Summer Plan with the Right Bank

The right banking tools and relationships help you navigate cash timing for better financial health. A PNC Business Banker may be able to help evaluate your current cash position, identify where timing mismatches are costing you, and implement the right treasury tools and payment solutions to support your operating cycle. Schedule an appointment to get ahead of the summer season before freight surcharges and receivables lag cause disruptions.