Cash flow explained in plain English, so you can make safer decisions.
One of the most common and dangerous misunderstandings among founders is assuming that profit means cash in the bank. It doesn't. A business can show a profit on paper and still struggle to pay salaries, rent, or suppliers, because profit is an accounting concept, while cash flow reflects real money moving in and out of your business.
For example: you invoice a customer for ₹5,00,000, your costs are ₹3,00,000, and on paper you made a profit of ₹2,00,000. But if the customer pays after 60 days — and you must pay salaries and vendors this month — you may face a cash crunch despite being "profitable." Cash problems don't announce themselves quietly; they appear suddenly and force rushed decisions.
Cash flow is simply the movement of money: cash coming in from customers, loans, and investments, and cash going out for salaries, rent, tools, suppliers, and taxes. If more cash comes in than goes out, your balance grows; if more goes out, it shrinks.
Customer payments (actual receipts, not invoices), advances from clients, loans or credit facilities, and founder capital or investor funding.
Salaries and contractor payments, rent and utilities, software subscriptions, supplier payments, taxes and statutory dues, and loan repayments.
Most businesses face a gap between when they pay expenses (often immediately or monthly) and when they receive cash from customers (often delayed 30–90 days). This cash flow timing gap widens with large upfront costs, seasonal sales, or taxes coming due before collections arrive.
Ironically, growth often increases cash stress: more customers mean more upfront delivery costs, higher revenue means higher working capital needs, and more invoices mean more money stuck in receivables. This is why many founders say, "We're growing, but cash feels tighter."
Cash runway answers one simple question: "If no new money came in, how long could we survive?" It's calculated as cash balance ÷ monthly net cash burn. For example, ₹12,00,000 in the bank with a ₹3,00,000 monthly net outflow gives you 4 months of runway.
Runway gives founders time and options; without it, decisions become reactive and negotiation power disappears. Early-stage businesses typically aim for 6–9 months of runway, and stable SMBs for a 3–6 month minimum buffer. Review it every month.
You don't need complex finance systems to stay in control. Weekly: check bank balances, review upcoming payments, track overdue receivables. Monthly: compare cash balance month-on-month, review net inflow/outflow, and recalculate runway. At minimum, always know your current cash balance, monthly fixed expenses, receivables outstanding, and cash runway.
Cash flow is not a finance topic — it's a founder survival skill. You don't need to become an accountant, but you must respect timing differences, watch cash more closely than profit, and protect runway at all costs. Businesses rarely fail because founders don't work hard. They fail because cash runs out before decisions catch up.
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