Biggest Mistakes People Make When Selling Their Business

Selling your business is likely the largest financial transaction of your life. Most sellers make avoidable mistakes that cost them dearly.

Mistake 1: Undervaluing Your Business

Relying on rules of thumb or online calculators typically results in 20-40% less than professionally valued businesses.

Mistake 2: Poor Preparation

Going to market with incomplete financials, messy operations, or unresolved legal issues can reduce offers by 15-30%.

Mistake 3: Wrong Buyer Targeting

Only talking to one type of buyer typically leaves 25-50% on the table versus those who run a competitive process.

Mistake 4: Negotiation Errors

Accepting first offer or not understanding deal structure can cost 10-20% in total deal value.

Mistake 5: Going It Alone

Trying to sell without professional M&A advisory typically results in 20-40% lower valuations than those with advisors.

The Bottom Line

Every mistake listed above costs real money—often millions of dollars. All of them are avoidable with the right preparation and advisors.