South Dakota Resale Certificate & Sales Tax Permit: How to Buy Wholesale and Sell Legally

Last updated: August 13, 2026

If you want to buy wholesale in South Dakota and resell — on Amazon, in a store, or online — you need two things the state checks for: a Sales Tax License and a resale certificate. Get them right and you buy inventory tax-free and collect sales tax legally; get them wrong and you overpay tax or risk penalties from South Dakota Dept of Revenue.

What you need to sell legally in South Dakota

In South Dakota, the South Dakota Sales Tax License is issued by South Dakota Dept of Revenue, registering you to collect the state’s 4.2% sales tax. A resale certificate then lets your suppliers sell to you tax-free for resale. Most resellers also form an LLC (~$150) and get an EIN. South Dakota has no state income tax.

How to get set up: the steps

  1. Form your business entity (most sellers use an LLC).
  2. Get an EIN from the IRS.
  3. Register your sales-tax permit and issue resale certificates to suppliers.
  4. Start buying wholesale tax-free and selling.

Every step is a place people get stuck, overpay, or make a mistake that costs them their Amazon account. You don’t have to do any of it yourself.

We set the whole thing up for you

SupplyRank is not just a guide — we do the work. Pick the piece you need, or hand us the whole path and start selling next week. Every service below is real and done by our team.

1. Company formation

We register your South Dakota LLC and get your EIN — set up properly and credible to suppliers and Amazon.

2. Legalization

Sales Tax License plus a resale certificate, so you buy wholesale tax-free and sell legally in South Dakota.

3. Supplier sourcing

Tell us your product; we return a verified wholesale supplier and a real bulk price. From $49 — savings up to 95% versus retail.

4. Full accompaniment

Everything end to end: supplier, legalized product, formed company, first shipment. One team, start next week.

Why sellers use SupplyRank

South Dakota permits & wholesale — FAQ

Do I need a sales tax permit to sell in South Dakota?

Yes. If you sell taxable goods in South Dakota you must register the Sales Tax License with South Dakota Dept of Revenue before you start. We can register it for you.

How much does it cost to set up in South Dakota?

The permit and resale certificate are typically free to obtain; your real costs are the LLC filing (~$150) and your time — which is what we handle.

Do I need an LLC to sell on Amazon in South Dakota?

You can start as a sole proprietor, but most sellers form an LLC to protect personal assets and look credible to suppliers. We form it and get your EIN.

Where can I find wholesale suppliers in South Dakota?

Once you hold a resale certificate you can buy from verified wholesale suppliers and distributors. Tell us your product and we return a verified supplier and a real bulk price — savings up to 95% versus retail.

Ready to sell in South Dakota?

Company, permits, and a verified supplier — done for you, so you can start working next week.

South Dakota at a glance

State sales tax: 4.2%. Permit: Sales Tax License (South Dakota Dept of Revenue). Entity: LLC (~$150). South Dakota has no state income tax. Logistics hub: Sioux Falls.