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brett.lindenberg Brett Lindenberg is the co-founder of BackofNapkin.co. Brett has interviewed hundreds of entrepreneurs, gathering their stories and extracting the insights behind successful startups big and small. His passion lies in making startup calculations accessible so every dreamer has the numbers they need to take the leap. At home, Brett enjoys life’s best calculations: quality time with his wife and two daughters.

Laundromat Financial Projection & Cash Flow Calculator

November 18, 2024• Category: Business Calculators

Dream of owning a laundromat but worried about getting soaked in bad investments? Our Laundromat Financial Calculator helps you separate the suds from the...

Pet & Dog Waste Removal Business Profit / Revenue Calculator

November 18, 2024• Category: Business Calculators

Running a pet poop cleanup business might not be glamorous, but someone’s gotta do it! Enter the Pet and Dog Waste Business Projections Calculator: the...

Ideas are a Multiplier of Execution Calculator

November 17, 2024• Category: Business Calculators

Everyone has ideas. Few actually execute. Inspired by Derek Sivers’ framework that ‘ideas are just a multiplier of execution,’ this tool...

“1,000 True Fans” Calculator: Inspired by Kevin Kelly

November 17, 2024• Category: Business Calculators

Turn your passion into profit with the Kevin Kelly Inspired “1,000 True Fans” Calculator. Whether you’re an artist, content creator, or...

House Cleaning Time Calculator: How Long to Clean a House?

November 16, 2024• Category: Business Calculators

This calculator helps you estimate how long it will take to clean a house and what it might cost. Whether you’re a professional cleaner setting prices or...

House Cleaning Cost & Pricing Calculator for Housekeeping Services

November 15, 2024• Category: Business Calculators

The Home Cleaning Pricing & Cost Calculator helps you estimate service costs, project cleaning times, and maximize your profits. Whether you’re a...

Financial Independence Calculator: How Much Passive Income Do You Need?

November 15, 2024• Category: Personal Finance

Wondering how much money you need to achieve financial independence? This Financial Independence Calculator helps determine your “freedom number”...

Restaurant Seating Capacity and Table Space Calculator

November 14, 2024• Category: Food Business Calculators

This tool takes the guesswork out of restaurant layout planning, allowing you to quickly estimate the number of tables and seats your dining area can...

Multi-Segment Restaurant Revenue Calculator (Dine-In, Delivery, Catering)

November 14, 2024• Category: Food Business Calculators

From busy lunch services to profitable catering events, knowing where your money comes from is key to scaling your restaurant. With our Multi-Segment...

Coffee Shop Break-Even Calculator: How Long to Make a Profit?

November 13, 2024• Category: Food Business Calculators

Running a coffee shop comes with many challenges, but understanding when your business will start making a profit shouldn’t be one of them. This Coffee...

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