Staged payments create a timing gap between when you spend money and when you receive it. You’re buying materials, paying labor, and covering overhead while waiting for the next draw or milestone payment to arrive. Managing that gap is what cash flow management really comes down to.

Start by structuring payment terms that protect you. The deposit should cover your material costs and some labor for the first phase. If you’re buying $3,000 in materials to start a job, a $1,500 deposit puts you in the hole before you’ve done any work. Match the deposit to your actual initial costs, not an arbitrary percentage.

Invoice immediately when milestones are reached. Every day between completing a phase and sending the invoice is a day you’re financing the customer’s project with your money. Set up your payment milestones to align with real completion points you can document, then invoice the same day you hit them.

Track what’s billed versus what’s received. In your accounting software, a sent invoice isn’t cash in your account. You need visibility into work completed but not yet billed, invoices sent but not yet paid, and actual cash received. When you’re running multiple jobs at different stages, losing track of what’s outstanding is easy. A project that’s 80% complete but only 50% paid is a cash flow problem hiding in plain sight.

Proper project cost tracking makes this visible. Your accounting system should show you not just whether a job is profitable, but where you stand on billings versus costs at any given moment.

Maintain a reserve specifically for payment gaps. Two to four weeks of operating expenses gives you buffer room when a customer pays slowly or you need to start work before a deposit clears. Without that reserve, you end up putting materials on credit cards or chasing payments more aggressively than you’d like.

Look at your project pipeline collectively. If you have three jobs where payments are all due at the end of the month and nothing coming in the first three weeks, that’s a predictable crunch you can plan for. Stagger project start dates when possible so payment schedules don’t all sync up.

A Richmond bookkeeper familiar with project-based businesses can help you build systems that track billing milestones and forecast cash gaps before they become emergencies. The goal isn’t just knowing whether a project made money. It’s knowing whether you’ll have enough cash next week to make payroll and buy materials for the next phase.