Founder and editor
Md Sayful Islam is a web developer from Bangladesh who has built and run websites since 2017. He also runs Themeve, a store that sells WordPress themes and plugins, some of them by subscription. He researches every Billing Model guide from primary sources such as accounting standards, card-network rules and platform documentation, and links to them in each article.
A QuickBooks recurring invoice is built from a saved template on a schedule. Here are the template types, the settings that matter and a filled-in example.
10 min read
Annual billing means one charge for 12 months, even when the price is quoted per month. Here is the discount math, the break-even month and the trade-offs.
10 min read
Six ASC 606 revenue recognition examples, each walked through the five steps and closed with a schedule or journal entries: set-up fees, bundles, rebates, added seats and more.
10 min read
A Visa chargeback is what Visa's rules call a dispute. Here is how the categories, stages and time limits work from the merchant's side, with a dated example.
10 min read
Calculating interest on late payments takes an overdue amount, an annual rate and a count of days late. Here is each step, with four worked examples and invoice wording.
11 min read
Stripe usage-based billing turns meter events into an invoice at the end of each period. Here is how meters, usage prices, credits and late events work, with a worked bill.
10 min read
Six subscription model examples described from companies' own annual reports, with how each type bills its customers and what it has to get right.
10 min read
Gross revenue retention shows how much recurring revenue a group of customers still pays after downgrades and cancellations. Formula, worked example and real definitions.
10 min read
A Stripe chargeback, which Stripe calls a dispute, debits the payment and a dispute fee from your balance. Here is each stage, deadline and cost from the merchant's side.
10 min read
The meaning of a pro forma invoice is a preliminary bill sent before goods ship or work is done. See a filled-in example and how it differs from a quote and a final invoice.
10 min read
Stripe recurring payments are built from a product, a price, a customer and a subscription that issues an invoice each period. Here is how setup, renewals and fees work.
10 min read
Subscription pricing models decide what a recurring bill is tied to. Three questions and a worked example show how to choose among fixed, per-unit, tiered and hybrid.
10 min read
