There is a question I get frequently from founders that has nothing to do with growth hacking, viral marketing, or hiring. It’s about the “sleep-at-night” factor: How much cash do I actually need to keep in the bank?
As entrepreneurs, we’re biologically wired for growth. It’s natural for us to think of ways to turn a dollar into five the moment we see one. Due to this, low-yield savings accounts can feel like an opportunity cost — assets lying around that should be generating income.
However, the data tells a much more sobering story. According to statistics, 38% of businesses fail due to exhausted cash reserves or an inability to secure capital. Also, even though small business owners often have higher household wealth than non-owners, they report more volatile monthly income and have more overdraft fees and unexpected expenses.
The hard truth is this: Cash isn’t just an asset; it’s oxygen.
Having founded companies like Due and invested in over 200 startups, I’ve seen more businesses fail due to cash-flow problems than to bad products. In the end, if you’re redlining your finances, either personally or professionally, you’re one bad month away from ruin.
With that said, here’s a framework you can use to determine the right cash-on-hand strategy for both sides of your life.
The Business Side: The “Operating Cushion”
In the business world, we talk about “runway.” However, my preferred term for a profitable, non-venture-backed company would be “operating cushion.”
The 3–6 month rule.
For a small-to-medium business to function effectively, three to six months’ operating expenses are a good starting point. All expenses, including payroll, rent, SaaS subscriptions, insurance, and taxes, are included here.
For example, if your monthly “burn,” which is the cost of keeping the lights on, is $50,000, you should have between $150,000 and $300,000. Why? There is always the possibility of the unexpected. It could be the loss of a major client, the freezing of your account by your payment processor, or the disruption of your supply chain caused by a global shift.
The opportunity fund.
If you reach your six-month cushion, don’t sweep the rest into your personal account right away. Remember, cash is a strategic weapon in entrepreneurship. This is why I keep an “opportunity fund.” It’s used to fund the following:
- Acquiring a competitor during a market downturn.
- Buying inventory in bulk at a significant discount.
- Recruiting talent when a rival firm is having a tough time.
In other words, if you’re always deployed, you’re opportunity-poor. Despite seeing the deal of your lifetime, if you can’t act within 48 hours, you’ve missed your chance.
The Personal Side: Separating the Founder from the Firm
It’s common for entrepreneurs to treat their business bank account as their personal emergency fund. But this will only lead to disaster. When your business hits a snag, your personal life shouldn’t suffer as well.
The personal survival fund.
In my opinion, entrepreneurs should keep 12 months’ worth of living expenses in liquid cash.
I know, that sounds high. Financial advisors typically recommend three to six months for W-2 employees. Your income as a founder, however, is volatile. Further, your “employer” is a high-risk entity. As such, whether you need to pivot your business or stop taking a salary for six months, you need assurance that your mortgage and kids will be taken care of.
The psychology of “stay” power.
A substantial cash pile changes your decision-making process. If you’re desperate for your next draw, you make short-term, fear-based business decisions. For the deposit, you take on “bad” clients. You even settle for mediocre deals.
You can, however, say “no” to the right partner when you have a year of cash in the bank. What’s more, you can think in decades while your competitors think in days.
Where to Keep the Cash?
“On hand” doesn’t mean under your mattress or in a safe hidden behind a painting. Also, it doesn’t mean holding a volatile crypto wallet or a five-year CD.
- A high-yield savings account (HYSA). In terms of liquidity, this is the gold standard. Ideally, you want an account with 24-48-hour access, FDIC protection, and an APY of 4.00% to 5.00%.
- Money market funds. The perfect solution for business cash flow. In addition to being highly liquid, they offer a slightly better yield than standard checking.
- Treasury bills (T-Bills). A short-term (4- or 8-week) T-bill is a great, tax-efficient way to earn interest while keeping your funds accessible, exceeding the 3-month mark.
The Danger of “Too Much” Cash
Is there such a thing as having too much cash? Yes.
You’re probably being too conservative if you have two years’ operating expenses in a business account. If you have that capital, you could hire a CMO, launch a new product line, or purchase real estate. Cash should be used for safety and agility, not for hoarding. If you’ve exceeded the 6-month business cushion and 12-month personal cushion, you should move into Growth Mode or Wealth Diversification.
Conclusion: Liquidity is Freedom
We are often told in Silicon Valley’s hustle culture that “cash is trash” and that everything should be reinvested into growth. Usually, this advice comes from people who play with other people’s money.
Liquidity is the only thing that matters when it’s your name on the personal guarantee, and your team’s families depend on that paycheck. So, keep enough cash to survive storms, seize opportunities, and keep your head clear when everyone else is panicking. At the end of the day, the entrepreneur with the longest staying power usually triumphs.
Image Credit: Tima Miroshnichenko; Pexels
