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900 in-depth guides on creating, sending and getting paid on invoices, written for freelancers and small businesses.
Showing 145–156 of 900 articles
A seller's permit lets you collect sales tax. Learn who needs a sales tax permit, 2026 costs, how to get one step by step and how to show tax on invoices.
Invoice Creator Editorial Team · Oct 29, 2026 · 10 min read
Business tax deadlines 2027 in one calendar: W-2 and 1099 dates, March 15 and April 15 returns, quarterly estimates, Form 941 and weekend shifts.
Invoice Creator Editorial Team · Oct 29, 2026 · 11 min read
How to pay IRS online in 2026: Direct Pay steps, Online Account, EFTPS vs Direct Pay for businesses, card fees and how to pay estimated taxes without mistakes.
Invoice Creator Editorial Team · Oct 29, 2026 · 11 min read
The debt to equity ratio explained: the formula, a worked small business example, what counts as a good ratio, how lenders read it and ways to improve yours.
Invoice Creator Editorial Team · Oct 29, 2026 · 10 min read
Accounts payable turnover ratio explained: the formula with purchases or COGS, how to convert it to DPO, a worked example and what high or low results mean.
Invoice Creator Editorial Team · Oct 29, 2026 · 10 min read
Financial ratios for small business: liquidity, leverage, profitability and efficiency formulas, one worked example from real accounts and which to track.
Invoice Creator Editorial Team · Oct 29, 2026 · 10 min read
How to calculate net income step by step: the net income formula, what to subtract, a full worked example for a company and a sole trader, and common mistakes.
Invoice Creator Editorial Team · Oct 29, 2026 · 11 min read
Operating income explained: the operating income formula, a worked example, operating margin, and how it compares with net income, EBIT and EBITDA.
Invoice Creator Editorial Team · Oct 29, 2026 · 10 min read
Contribution margin explained: per-unit and total formulas, the contribution margin ratio, and worked examples for product mix, discounts and special orders.
Invoice Creator Editorial Team · Oct 29, 2026 · 11 min read
Overhead costs explained: types and examples, three ways to calculate an overhead rate, and how to include overhead in pricing, with a job-costing example.
Invoice Creator Editorial Team · Oct 29, 2026 · 10 min read
Cost plus pricing explained: the formula, how to choose a markup for a target margin, product and service examples, cost-plus contracts and invoicing them.
Invoice Creator Editorial Team · Oct 29, 2026 · 11 min read
A fixed asset register template for small businesses: the fields to record, how to log depreciation and disposals, and a worked example that adds up.
Invoice Creator Editorial Team · Oct 29, 2026 · 11 min read
