Cash Flow & AR
How to Improve Cash Flow in a Small Business
Short answer
Improve cash flow by speeding up receivables (deposits, online payment links, shorter terms), slowing down payables (Net 30 with suppliers, card-funded purchases), and maintaining a 60-day operating cash buffer. The U.S. Small Business Administration consistently cites cash-flow mismanagement as a top reason small businesses fail.
Cash flow is not the same as profitability. A profitable business can run out of cash if the timing between money coming in and money going out is wrong. Improving cash flow is fundamentally about timing: pulling inflows forward and pushing outflows back, while keeping enough buffer that you can survive a bad month without panic.
Pull inflows forward
Every day shaved off the time between work-done and money-received is real cash on your balance sheet. The biggest levers are the ones covered in the Faster Payment cluster — payment links, deposits, shorter Net terms, automated reminders.
- Take deposits on jobs over a few hundred dollars
- Invoice the same day work is completed
- Add a payment link to every invoice
- Default to Net 15 for new customers
- Use milestone billing on long projects
- Automate past-due reminders
Push outflows back (without burning supplier relationships)
On the payables side, the goal is to use the full Net term every supplier offers — but never to pay late. Late payments to suppliers cost you favorable pricing and credit terms over time.
A common trick: pay supplier invoices on a business credit card with a 25-30 day grace period, then pay the card balance in full from the next month's revenue. This extends your effective payment window by weeks at zero cost.
Build a 60-day operating buffer
Once inflows and outflows are tuned, the third lever is a cash reserve. Aim to hold 60 days of operating expenses (rent, payroll, insurance, recurring software, debt service) in a separate business savings account. This is the difference between 'one slow month is annoying' and 'one slow month is existential'.
Build the buffer by routing a fixed percentage (often 5–10%) of every customer payment to the reserve account automatically. Treating the transfer as a non-negotiable expense is what makes it actually happen.
Frequently asked questions
What is the difference between cash flow and profit?
Profit is what you earn over a period (revenue minus expenses). Cash flow is the timing of money actually moving in and out of your bank account. A profitable business can have terrible cash flow if customers pay slowly and bills come due quickly.
How much cash should a small business have on hand?
A common benchmark is 60 days of operating expenses. Three to six months is safer if your industry is seasonal or your customer concentration is high.
Is a business line of credit a good idea for cash flow?
Yes — a line of credit is cheap insurance against cash-flow gaps. Open one when you do not need it (banks lend more readily when you are healthy) and use it only for short-term timing mismatches, not for funding losses.
Put this guide to work.
Glo Invoice automates reminders, takes online payments, and tracks your AR — free for 14 days.
Sources & further reading
Primary sources we consulted when writing and reviewing this guide.