Blog
Writing about invoicing, settlement, and cash flow for people who work alone.
Operations
How Are Overdue Invoices Different from Bad Debt?
2026-01-20
An invoice one day past due and one over a month overdue call for completely different responses. Here's how to distinguish between the two stages and what messages to send at each one.
Fees
We calculated how much a 2.7% card fee actually costs over a year
2025-12-08
Based on a solo business owner billing 5 million KRW per month, we compared actual numbers to show how much the fee gap between payment methods adds up to after a year.
International Transactions
Three Ways to Get Paid by Overseas Clients
2025-11-12
Bank wire, payment processing, and stablecoin settlement. Here's how arrival time and final amount received differ across methods, and which one fits which situation.
Basics
Here's How to Set Up Automatic Recurring Invoices
2025-10-19
If you're still billing your retainer contracts by hand every month, invest just 15 minutes. We've laid out everything from cycle setup to reminder rules so you can follow along start to finish.
Basics
Checklist: Essential Items Every Invoice Must Include
2025-09-17
Tax invoices and regular invoices are not the same thing. Here's an item-by-item breakdown of what your invoice needs to pass review the first time, without disputes.
International Transactions
Why Bank Transfers Take So Long
2025-09-08
Money that should arrive in a day often takes three, and the cause is usually not the banks themselves but the correspondent structure in between. Here's a look at exactly where the time gets lost.
Operations
Freelance Income Tax: Keep Your Invoices Organized, and You're Halfway Done
2025-08-28
Covers what to keep track of at the invoicing stage so you're not scrambling through receipts in May, and how to organize expense handling and withholding tax.
Fees
Criteria for Choosing an Invoicing Tool With No Subscription Fee
2025-08-11
Tools labeled free are rarely actually free. Here are five criteria for comparing issuance limits, settlement cycles, and hidden fees.
Basics
Here's How to Set Up Automatic Recurring Invoices
2025-10-19
If you're still billing your retainer contracts by hand every month, invest just 15 minutes. We've laid out everything from cycle setup to reminder rules so you can follow along start to finish.
Basics
Checklist: Essential Items Every Invoice Must Include
2025-09-17
Tax invoices and regular invoices are not the same thing. Here's an item-by-item breakdown of what your invoice needs to pass review the first time, without disputes.
Fees
We calculated how much a 2.7% card fee actually costs over a year
2025-12-08
Based on a solo business owner billing 5 million KRW per month, we compared actual numbers to show how much the fee gap between payment methods adds up to after a year.
Fees
Criteria for Choosing an Invoicing Tool With No Subscription Fee
2025-08-11
Tools labeled free are rarely actually free. Here are five criteria for comparing issuance limits, settlement cycles, and hidden fees.
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Operations
How Are Overdue Invoices Different from Bad Debt?
2026-01-20
An invoice one day past due and one over a month overdue call for completely different responses. Here's how to distinguish between the two stages and what messages to send at each one.
Operations
Freelance Income Tax: Keep Your Invoices Organized, and You're Halfway Done
2025-08-28
Covers what to keep track of at the invoicing stage so you're not scrambling through receipts in May, and how to organize expense handling and withholding tax.