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.
An invoice terms and conditions sample you can adapt, clause by clause, with a line on what each one does and what an invoice can't add to a contract.
11 min read
Recurring charges are amounts a business collects on a schedule under one standing agreement. Here is how to authorize, describe and label them so customers recognize them.
10 min read
Volume discount pricing charges every unit at the rate of the tier the total reaches. A worked table shows the math and why 25 seats can cost less than 24.
10 min read
SaaS revenue recognition spreads a subscription fee over the period of service, whatever the invoice says. Here are the five steps applied to one $27,000 contract.
10 min read
Chargeback fraud, also called friendly fraud, is when a cardholder disputes a legitimate charge. Here is how merchants spot it, respond with evidence and reduce it.
9 min read
An accounts receivable aging report groups unpaid invoices by age. See the standard buckets, a complete example with totals and percentages, and how to read it.
10 min read
A recurring ACH payment is an automatic, repeating debit from a US bank account. Here is how it is authorized, how it moves, how long it takes and how it can come back.
11 min read
A worked value-based pricing example: price the closest alternative, add the value of the differences, then decide how much of that value to charge for.
9 min read
A deferred revenue journal entry records cash received before delivery as a liability. See both entries and a 12-month schedule for a $1,200 annual plan.
9 min read
A chargeback fee is the charge your acquirer or processor adds when a customer disputes a card payment, on top of the reversed sale. Here is what one dispute really costs.
9 min read
A credit memo example with every field filled in, plus when to issue one, how the credit is applied, the basic journal entry and how it differs from a refund or a debit note.
10 min read
Setting up recurring payments means getting permission once and collecting on a schedule. Here are the six decisions a business has to make, in order.
10 min read
