The 3 Business Mistakes That Cost the Most (and How to Avoid Them)

In this episode, Duncan and James break down the top three business mistakes they see regularly among startups and SMEs — from over-trading and overreaching to cash flow pitfalls and aging debt. Packed with insight from both the finance and marketing world, this is a must-listen for business owners who want to grow without burning out or going bust. Practical, no-fluff advice — all delivered with humour and real-world examples.🕒 Timestamps & TopicsTimestamp Topic00:00 – 01:17 Intro & what this episode covers: business mistakes, financial insights, and marketing slip-ups.01:17 – 04:46 Mistake #1: Over-trading — what it is, how it happens, and why saying “yes” to the big client can sink your business.04:46 – 06:33 Organic growth vs reckless expansion – how to scale with sustainability.06:33 – 08:46 Real-life parallels from the film & TV industry – production financing and long-term debt.08:46 – 11:00 Mistake #2: Spreading yourself too thin — shiny-object syndrome and chasing too many ideas.11:00 – 12:23 Elon isn’t your business model – the myth of the multi-project entrepreneur.12:23 – 13:39 The “one rocket ship” principle and how to pick your project.13:39 – 14:52 Why outsourcing beats trying to be everything to everyone.14:52 – 16:42 Timing your diversification and knowing when you're ready to scale or mentor others.16:42 – 18:00 Profitability, alignment, and the temptation of short-term wins.18:00 – 20:52 Free work and charity jobs – when to say yes, and what to ask for in return.20:52 – 26:38 Mistake #3: Delayed invoices and aging debt — why cash flow is king and how late payments kill growth.26:38 – 29:02 Payment terms, chasing invoices, and the perils of getting pushed to the back of the queue.29:02 – 30:33 Real-world stories from the acting world and invoice misuse.30:33 – 35:20 Solutions: Invoice financing — what it is, how it works, and what to watch out for.35:20 – 36:05 The danger of becoming dependent on invoice finance — “the umbilical cord” problem.36:05 – 37:36 Legal frameworks and industry specifics to watch out for.37:36 – 39:00 Recap of the three biggest pitfalls and final thoughts.39:00 – 39:56 Outro, audience request & how to be a guest on the show.🧠 Key TakeawaysOver-trading sounds like growth but can break your back if you're not prepared.Stay focused: build one strong business before spinning off side projects.Cash flow trumps profit: if you’re not getting paid on time, you’re losing.Invoice financing can help — but know the terms and risks.Charity and “exposure” work have a place — but you need to define your ask.🔗 Resources MentionedThe Lean Startup by Eric RiesUK Government: Invoice Financing InfoQuickBooks (automated invoicing reminders)📬 Contact / Get InvolvedWant to be a guest on the show?Got a story or question you’d like Duncan & James to tackle?📧 [email protected]🎧 Follow Make It Your Business wherever you get your podcasts!