A lot of people assume sales tax is for physical stores. You sell a shirt, the register adds tax, done. Then they start selling a PDF planner and wonder if any of that applies to them.
Sometimes it does. Sometimes it doesn't. This lesson explains why the answer is so messy, what the common terms mean, and how to find out what applies to you without guessing.
The short version
- This is general information, not tax or legal advice, and sales tax rules vary a lot by state and country, so check official sources and a qualified professional.
- Whether you owe sales tax can depend on what you sell, where your buyers live, and how you sell it.
- Check what your selling platform handles, then confirm your own obligations before your sales grow.
What sales tax is, and who collects it
Sales tax is a tax added to the price of something when it's sold. The buyer pays it, but the seller is usually the one who has to collect it and send it to the state.
That's the part that matters for you. If you're required to collect sales tax and you don't, it can become your problem, not your buyer's. The business basics lesson introduced this. Here's the next layer down.
Why digital products are messy
States don't agree on what a digital product even is, let alone whether to tax it. Some tax downloads. Some don't. Some tax certain kinds, like digital music or software, but not others.
The way you deliver something can matter too. A file someone downloads once may be treated differently from a membership site they log into, or a live online class. Each state decides for itself.
Two states can look at the same PDF and reach completely different answers about sales tax.
That's not you being confused. It really is that inconsistent.
Terms you'll run into
You'll see these words on state websites and platform help pages. Here's what they mean in plain English.
Nexus
Nexus means a connection to a state that's strong enough that the state can require you to collect its sales tax. Living in a state usually creates nexus there.
Many states also say you can have nexus just from selling enough to buyers in that state, even if you've never set foot there. This is often called economic nexus. Each state sets its own limits, and those limits change, so I'm not listing them.
Sales tax permit
A sales tax permit is a registration with a state that lets you collect sales tax there. In many places, you're expected to register before you start collecting. Collecting tax without being registered can create its own problems.
Marketplace facilitator
A marketplace facilitator is a platform where lots of sellers list products, and the platform runs the checkout. Many states have laws that require these marketplaces to collect and send sales tax on sales made through them.
If you sell on a marketplace, it may be handling some or all of this for you. "May" is doing a lot of work in that sentence. Check.
Merchant of record
The merchant of record is the business legally responsible for the sale, including taxes. Some selling tools act as the merchant of record, meaning they handle the tax side in many places. Others just process the payment and leave the tax side to you.
Selling to buyers in other countries
If someone in another country buys your download, their country may have its own tax on digital sales. Many countries use a VAT (value-added tax) or GST (goods and services tax), which work a bit like sales tax.
Some of those countries expect foreign sellers to collect it, even small ones. This is one big reason some beginners choose a platform that acts as merchant of record. Whatever you pick, read how it handles international sales before you assume.
How to find out your obligations, step by step
Here's a plain process. It won't give you the final answer by itself, but it will get you most of the way to the right questions.
Step 1: Write down exactly what you sell
Be specific. "A downloadable PDF budget planner" is useful. "Digital stuff" isn't.
Note how buyers get it: a one-time download, a login to a members area, an email course, or a live session.
Step 2: Write down where you sell it
List every place you take money. That might be your own website, a marketplace, a store builder, or a payment link you send by email. Each one may handle tax differently.
Step 3: Check what each platform does
Look in each platform's help center for "sales tax" or "tax settings." Find out:
- Does it collect and send sales tax for me, and in which places?
- Is it the merchant of record, or am I?
- Does it handle international taxes like VAT?
- Does it give me a report of tax collected?
Save screenshots or copies of what you find, with the date. Platform policies change.
Step 4: Check your own state
Go to your state's department of revenue or taxation website. Search for how it treats digital products, downloads or "digital goods." If the site is confusing, call and ask, "I sell downloadable files online from home. Do I need to collect sales tax?"
USA.gov can help you find your state government's official websites if you're not sure where to start. Stick to official sites for this, not random forum answers.
Step 5: Watch where your buyers live
Your sales reports usually show where buyers are located. Glance at this when you do your monthly money review. If a lot of sales start coming from one state or country, that's a reason to look into that place's rules.
Step 6: Ask a professional
Bring your notes from steps 1 through 5 to a tax professional. Ask them to confirm what applies to you, whether you need any permits, and what to keep an eye on as you grow.
Don't panic, but don't ignore it
Most beginners start small, and many use platforms that take care of a lot of this. That's fine. The mistake isn't starting without knowing everything. The mistake is never checking.
If you find out later that you should have been collecting, talk to a tax professional about how to fix it. Problems like this are usually easier to handle when you deal with them sooner.
Do this next
Sales tax is boring until it isn't. Keep it boring.
Veteran. Gen Xer. Thirty-plus years building things on the web. I write these so you can skip some of the expensive mistakes.