Altera Blog

Practical guides for small business owners: invoicing, inventory, payroll, purchase orders and cash flow.

Small Business Inventory Management: A Practical Guide

Learn small business inventory management that protects your cash: turnover ratios, reorder points, safety stock, cycle counts, and the mistakes that eat your margin.

October 14, 2026 · EN

How to Do Payroll for a Small Business (Step-by-Step Guide)

A step-by-step small business payroll guide: pay schedules, W-4s, gross-to-net calculations, FICA and unemployment taxes, filings, and the costly mistakes to avoid.

October 14, 2026 · EN

What Is a Purchase Order? (And How Small Businesses Use Them)

What a purchase order is, how the PO process works, PO vs invoice, and why small businesses need them for budget control, dispute protection, and clean books.

October 14, 2026 · EN

How to Write an Invoice for a Small Business (Step-by-Step Guide)

Learn how to write an invoice that gets paid on time: required details, invoice numbering, payment terms, and the mistakes that delay payment.

October 14, 2026 · EN

7 Ways to Improve Small Business Cash Flow

Seven practical ways to improve small business cash flow: 13-week forecasting, faster payments, supplier terms, buffers, and the numbers to track.

October 14, 2026 · EN

Proforma Invoice vs Commercial Invoice: What's the Difference?

Proforma invoice vs commercial invoice: purpose, legal weight, when each is used, and the mistakes that delay shipments and payments.

October 14, 2026 · EN