Choose your tool
Match the workbook to the job: seller profit, product pricing or sales tracking. Check availability and software requirements before buying.
Practical spreadsheets for Australian small businesses and online sellers. Understand your costs, organise your sales and make your next decision with clearer numbers. One-off workbook purchases. No Just One Tab subscription.
Find your business tool Try the free calculatorLess admin. More clarity.
Just One Tab turns everyday business numbers into a practical next step. Watch the 26-second introduction.
Less admin. More clarity. Welcome to Just One Tab. Practical spreadsheet tools for everyday business. Organise your sales pipeline. Understand your costs. See what each sale leaves behind. Download your workbook, add your numbers, and use the dashboard to plan your next move. Just One Tab. Get organised. Get ahead.
Explore four views of each workbook. Select an image for a closer look. Screens show fictional example data; check the listing for included files and availability.
Match the workbook to the job: seller profit, product pricing or sales tracking. Check availability and software requirements before buying.
Save your own copy and replace the worked examples. Enter your figures in the input cells and keep the formulas intact.
Review the calculations, compare your options and decide what to do next. Follow the guides when you need a hand.

Meet your spreadsheet guide
Real workbook screens and recorded step-by-step guidance for sales CRM and product pricing. Pause, replay and follow along at your own pace.
Start a guided walkthroughClear instructions. Follow along at your own pace.
Online selling
See what you keep after fees, postage and packaging, and find the lowest offer worth accepting.
A$2.50 · Excel workbook
Buy the Excel workbook Try the free calculatorWork
Build your product cost from materials, labour and other costs, then compare a target-margin price with your chosen price.
A$2.50 · Coming soon
View workbook previewsWork
Keep contacts, opportunities and next actions organised. Review your pipeline and probability-weighted forecast on the dashboard.
A$2.50 · Coming soon
View workbook previewsSmall business
Plan cash in, cash out and projected balances over thirteen weeks.
A$2.50 · Coming soon
View workbook previews
Small business
Track stock levels and review reorder needs in one clear dashboard.
A$2.50 · Coming soon
View workbook previews
Small business
Track quote outcomes and compare actual job costs and profit.
A$2.50 · Coming soon
View workbook previews
Explore the CRM and pricing workbook previews. Both products are coming soon.
Explore six visual guides, with narrated videos for Sales CRM and Product Pricing.
Choose your walkthroughReplace the example figures with your own. All amounts are in AUD.
Both percentage fees apply to the item price plus postage charged. Use your own marketplace rates and a consistent GST basis.No. Just One Tab workbooks are one-off digital purchases. Any required spreadsheet software is separate.
Check the individual listing. The Seller Profit Calculator is sold as an Excel workbook. Google Sheets versions of CRM and Product Pricing are being prepared for release; they are not included in a purchase unless the listing expressly says so.
The Online Seller Profit Calculator has a Shopify product page and an Etsy listing. CRM and Product Pricing are available to preview while their customer download packages are finalised.
Use the written guides, workbook screenshots and recorded step-by-step instructions, or email [email protected] with your workbook name and question. Avoid sending sensitive customer or financial data.
The free calculator runs in your browser. The paid version is an Excel workbook.
Yes. Buy the Excel workbook through Shopify for A$29.
MEET ANDREW / FOUNDER OF JUST ONE TAB
I’m Andrew, founder of Just One Tab in Sydney, Australia. With more than 25 years in sales and online selling since 2005, I’ve spent decades winning business, growing sales and learning what makes a business work.
That hands-on experience is behind Just One Tab. I create practical spreadsheets and visual dashboards to help small business owners and online sellers understand their costs, price with confidence, track opportunities and see what they actually keep.
Clear layouts. Useful graphs. Numbers that make sense. Every tool is designed to put you in control of your own business, with information that’s easy to understand and act on.
Less admin. More clarity. Better-informed decisions.
Meet Andrew on Etsy Explore the Etsy shopBUILT AROUND YOU
Whether you’re a nail technician, gardener, tradie or small business owner, the right spreadsheet can make your day easier.
Looking for something personal? I can also review requests for budget planners, mortgage repayment calculators and other everyday tools.
Tell me what you need, what you want to track and what’s making the job harder than it should be. I’ll review your request and let you know whether I can build a practical solution around you, along with the scope, price and timing.
Questions about a workbook? Email [email protected].
SEE THE WORKBOOKS IN ACTION
Explore six real workbook screenshots, with highlighted inputs, calculations and results.
Explore the screenshot storyboard →