coderbunchBlog
Practical notes for running a business.
Short guides for Shopify stores, small businesses, warehouses and shops, written by the team behind our products.
How to print 4×6 shipping labels from Windows
Set up a 4×6 inch thermal shipping label on Windows: label size, millimetre layout, barcodes and whether to use a Windows driver or ZPL.
7 October 2026 · 7 min readSmall business · ExpensesHow to track business expenses on your phone
A simple way to record business expenses on Android as they happen: what to capture, categories that stay useful, and how to review the month without a spreadsheet.
7 October 2026 · 6 min readShopify · TroubleshootingWhy your Shopify free shipping bar does not match checkout
The usual reasons a free shipping progress bar shows one amount and checkout charges another, and how to align the bar with your Shopify shipping rates.
7 October 2026 · 6 min readRetail · InventoryHow to keep shop stock on your phone without the cloud
A practical stock habit for retailers and wholesalers: opening quantities, sales that reduce stock, and why local records still need a backup you can hold.
7 October 2026 · 6 min readWindows · BarcodesHow to print barcodes from a CSV file on Windows
Turn a spreadsheet of SKUs, prices or serials into a batch of barcode labels on Windows: prepare the CSV, bind columns, test-scan, then print.
7 October 2026 · 6 min readSmall business · PaymentsHow to see who still owes you, and follow up from your phone
Keep a simple overdue habit: due dates on every invoice, a list of outstanding balances, partial payments, and a polite reminder you can send the same day.
7 October 2026 · 6 min readShopify · CartHow to show a free shipping bar in the Shopify cart drawer
Shoppers add items in the cart drawer, not only on the cart page. Here is how to show a live free shipping progress bar that updates without a reload.
7 October 2026 · 5 min readRetail · BillingWhat a shop bill book should record (and what it should not)
The minimum a retail or wholesale bill book needs: parties, bills, payments, stock and a backup. What to stop copying from a paper book, and what still belongs with an accountant.
7 October 2026 · 6 min readWindows · PrintingZPL vs Windows printer driver: which should you use?
When to send Zebra ZPL II over the network and when to use a normal Windows print driver for thermal labels, including DPI, speed and how to test.
7 October 2026 · 6 min readShopify · PricingHow to choose a free shipping threshold for your Shopify store
A practical way to set a free shipping threshold that lifts order value without eating your margin, with a simple formula, a worked example and setup steps in Shopify.
6 October 2026 · 7 min readShopify · How-toHow to add a free shipping progress bar to Shopify without code
Show shoppers how much more they need to spend for free shipping with a live progress bar. What makes a good bar, common mistakes and a no-code setup.
6 October 2026 · 5 min readSmall business · InvoicingHow to create and share an invoice from your phone
What a clear invoice includes, and step-by-step instructions to create a PDF invoice on Android and send it on WhatsApp or email, without an account or internet connection.
6 October 2026 · 6 min readSmall business · RecordsA simple backup routine for business records on your phone
Phones get lost, broken and replaced. A five-minute weekly habit to back up invoices, expenses and payments on your phone, keep a copy safe and restore when you need to.
6 October 2026 · 5 min read