- Finder's fee
- Money paid to the person who introduced a customer to a business, owed only when an agreed event happens, like the customer paying their first invoice.
- Non-circumvention
- A clause that stops the provider from going around you to deal with your lead directly so they can skip paying your fee.
- Setup fee and retainer
- A one-time payment for building something, then a fixed monthly payment for running it. The retainer is the recurring part.
- Recurring revenue
- Money that arrives every month without a new sale, like a subscription. The opposite of one-off project income.
- Payment Link
- A Stripe web page with a buy button that you can paste into any email or text. The customer pays by card and you get a receipt and a payout.
- Merchant of record
- A store (like Lemon Squeezy) that legally sells the product on your behalf and handles sales tax and VAT, so you do not have to.
- Sole proprietor
- What you automatically are when you do business under your own name without registering a company. Simple taxes, no legal separation between you and the business.
- LLC
- A limited liability company, registered with your state, that in most cases keeps business debts and lawsuits away from your personal savings while taxes stay simple.
- EIN
- Employer Identification Number, a free tax ID from the IRS for your business so clients do not need your Social Security number.
- 1099-NEC
- The form a client sends you (and the IRS) when they paid you $2,000 or more in a year for services, as of 2026. You owe tax on the income with or without the form.
- Estimated taxes
- Quarterly tax payments self-employed people make because no employer withholds for them. Due April 15, June 15, September 15, and January 15.
- CAN-SPAM
- The US law for commercial email: honest headers and subject, your postal address, a working opt-out honored within 10 business days.
- SMTP
- The standard way programs send email. ListMonk uses it to hand your campaigns to a sender like Amazon SES.
- SES sandbox
- The locked starting mode of Amazon's email service that only sends to addresses you verified. You request production access to lift it.
- Approval gate
- A step in an automated workflow where a human must say yes before anything is sent. In Module 4 it is a column set to yes in a sheet.