8 Business Plan Mistakes That Kill Credibility with Banks

by: Dan Domino & Josh Bohlke

Updated - October 14, 2025


Creating a business plan is one of the most important steps in preparing for a business loan. But here’s the truth: a bad plan can hurt you more than having no plan at all.

Let’s walk through the biggest mistakes and red flags that lenders notice right away.

Mistake #1: Fluff Instead of Facts

Saying things like “We’ll be the best in the market” or “We’ll make a profit on day one” without explaining how is a credibility killer.

Lenders want numbers, assumptions, and execution details — not hype.

Mistake #2: Outsourcing Without Involvement

It’s fine to get help writing your plan, but you can’t hand it off entirely. If someone else builds your plan and you don’t understand it, lenders will know instantly.

The business plan is your playbook. You have to own it.

Mistake #3: Ignoring the Competition

One of the fastest red flags is saying “we have no competition.” Every business has competition — even if it’s indirect.

Lenders want to see that you’ve researched who else serves your market and why your business is different.

Mistake #4: Unrealistic Financials

Overly optimistic projections sink credibility fast.

Claiming you’ll hit millions in revenue without showing how you’ll get there is worse than showing modest, realistic numbers.

Always tie your projections to real assumptions — customers, contracts, pricing, or production capacity.

Mistake #5: Forgetting Cash Flow

Many new business owners focus on profit but forget about timing. If you show profit on paper but don’t account for delayed payments, early expenses, or seasonality, lenders will worry about whether you can actually pay the loan.

Mistake #6: Overcomplicating or Overwriting

A 40-page business plan with filler text doesn’t impress anyone. Most lenders skim for the important parts — financials, business model, competition, marketing, and risks. Keep it concise, clear, and full of useful information.

Mistake #7: Lack of Risk Awareness

Pretending your business has no risks makes you look unprepared. Lenders expect you to name the risks — and more importantly, explain how you’ll handle them.

Mistake #8: No Evidence of Action

Lenders want to see you’ve already taken steps. That could be quotes from suppliers, a signed lease, or even market research surveys. A plan that’s all theory and no action raises concerns.

Bottom Line

Your business plan doesn’t need to be perfect.

But it does need to be yours, it needs to be grounded in reality, and it needs to show that you’ve thought through the details.

Avoid fluff, avoid overpromising, and avoid disconnecting yourself from the plan. If you own it, understand it, and back it up with facts, your business plan will build trust — not red flags.

About the Author:

About the Author:

Dan Domino

Dan Domino

Founder of Jay Street Group

Founder of Jay Street Group

With 24 years of experience in finance and entrepreneurship, Dan Domino is the founder of Jay Street Group and is dedicated to helping small businesses thrive. Before launching Jay Street Group, Dan worked in financial markets at Citigroup and Deutsche Bank. He earned his MBA from Columbia Business School and brings a deep understanding of practical solutions to the real world challenges that business owners face.

Dan lives in Austin, TX with his wife, Lisa, and their two sons. When he's not helping founders, you'll find him on the Town Lake running trail chasing his kids on their bikes.

With 24 years of experience in finance and entrepreneurship, Dan Domino is the founder of Jay Street Group and is dedicated to helping small businesses thrive. Before launching Jay Street Group, Dan worked in financial markets at Citigroup and Deutsche Bank. He earned his MBA from Columbia Business School and brings a deep understanding of practical solutions to the real world challenges that business owners face.

Dan lives in Austin, TX with his wife, Lisa, and their two sons. When he's not helping founders, you'll find him on the Town Lake running trail chasing his kids on their bikes.

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About the Author:

About the Author:

Josh Bohlke

Josh Bohlke

Small Business Finance Advisor

Small Business Finance Advisor

With over 20 years of experience in finance and entrepreneurship, Josh Bohlke has built his career around helping small business owners get the resources they need to succeed. He has served as a business loan officer and underwriter, a CFO, and a trusted advisor to entrepreneurs across multiple industries. Josh is passionate about demystifying the funding process and equipping business owners with the knowledge and strategies to grow with confidence.

Josh lives in Kennewick, Washington with his family.

With over 20 years of experience in finance and entrepreneurship, Josh Bohlke has built his career around helping small business owners get the resources they need to succeed. He has served as a business loan officer and underwriter, a CFO, and a trusted advisor to entrepreneurs across multiple industries. Josh is passionate about demystifying the funding process and equipping business owners with the knowledge and strategies to grow with confidence.

Josh lives in Kennewick, Washington with his family.

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