Guides

Step-by-step tutorials and how-tos

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Guides

What Is a Remittance Address?

Learn what a remittance address is, its role in invoicing, differences from mailing addresses.

December 21, 2025

4 min read

Guides

How Many Working Hours in a Year? 2025 Guide for Businesses & Freelancers

Discover how many working hours are in 2025: 2088 gross, ~2000 after holidays, 1200-1600 billable for freelancers. Calculate accurately and track with PineBill for precise invoicing.

December 20, 2025

5 min read

Guides

How to Calculate Cost of Goods Sold (COGS): Complete Guide

Learn how to calculate COGS with step-by-step formulas, real examples, and expert tips. Master inventory valuation methods and reduce your tax liability.

December 20, 2025

15 min read

Guides

Electrician Salary 2025: US Averages by State & Labor Cost

2025 electrician salaries: national medians, top states, experience levels. Master labor cost calculations and invoicing strategies for electrical contractors.

December 18, 2025

2 min read

Guides

What Is a Billing Address? Essential Guide for Invoicing

Discover what a billing address is, how it differs from shipping address, its role in invoices, and best practices to ensure smooth payments and compliance.

December 18, 2025

5 min read

Guides

Construction Worker Salary 2025: US Averages by State

Explore 2025 construction worker salaries: national averages, top states, experience levels.

December 17, 2025

4 min read

Guides

How to Estimate Shipping Costs for Small Business Invoices

Master estimating shipping costs for invoices. Learn factors, calculation methods, carrier rates, and tips to avoid over/undercharging.

December 17, 2025

4 min read

Guides

Best Practices for Freelancer Invoicing in 2025

Freelancer invoicing best practices for 2025, from automation trends and payment terms to legal compliance and common mistakes to avoid for better cash flow.

December 16, 2025

8 min read

Guides

How to Calculate Time and a Half: Overtime Pay Guide

Learn how to calculate time and a half for overtime pay with step-by-step instructions, real examples, FLSA rules, and tips.

December 16, 2025

3 min read

Guides

What Is a PO Number? Complete Guide for Invoicing and Procurement

Discover what a PO number is, why it's essential for businesses, how to generate one, and best practices for using it on invoices to streamline payments.

December 16, 2025

4 min read

Guides

How to Create a Professional Invoice in 2025: Complete Guide

Learn how to create professional invoices in 2025 with essential elements, best practices, and digital solutions that get you paid faster.

December 15, 2025

13 min read

Guides

Quote vs. Invoice: What’s the Difference and When to Use Each

Understand the key differences between quotes and invoices for small businesses. Learn their purposes, timing, legal aspects, and best practices to streamline your billing process.

December 15, 2025

7 min read

Guides

Best Practices for Cleaning Service Invoicing in 2025

Best practices for cleaning service invoicing in 2025. Learn automation tips, legal essentials, and tools to ensure timely payments and efficient cash flow.

December 13, 2025

7 min read

Guides

Invoice vs Quotation: Key Differences Explained

Understand the critical differences between invoices and quotations, when to use each document, and how they work together in your business workflow.

December 12, 2025

6 min read

Guides

Proforma Invoice vs Invoice: Complete Guide

Learn the key differences between proforma invoices and commercial invoices, how they impact your business transactions and international trade.

December 10, 2025

6 min read

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