Local Marketplaces
- Amazon.com
- Walmart Marketplace
- eBay
- Etsy
- Target Plus
- TikTok Shop
- Newegg
- Wayfair
- Best Buy Marketplace
- Macy's
- Faire
- Temu
Selling Online in the USA: D2C Strategy, Payments, Sales Tax and Compliance Playbook
The United States is the world's most valuable single e-commerce market: 330 million consumers, over $1.1 trillion in annual online retail and a buyer who expects Amazon-grade speed from everyone. Unlike the EU, there is no VAT, no single tax authority and no federal consumer-privacy law — instead you navigate 50 state sales-tax regimes, the CCPA/CPRA in California and an ADA lawsuit culture unique to America. This playbook walks through the decisions that actually determine margin: D2C site versus marketplace mix, the payment stack with BNPL, Wayfair-era sales-tax automation, fulfilment models and the compliance floor you must clear before your first ad dollar.
D2C Store or Marketplace First? The Sequencing Question
Amazon.com, Walmart Marketplace, eBay, Etsy, Target Plus and TikTok Shop together capture well over half of US online spend, so most brands launch there for demand validation. But marketplaces own the customer, compress margin with 8-15% referral fees and can suspend you overnight. The mature play is a hybrid: use Amazon and Walmart for discovery and cash flow, then move repeat buyers to a D2C store where you own the email list, the retention economics and the data.
The D2C site also unlocks what marketplaces forbid: subscriptions, bundles, post-purchase upsells and SMS flows. A common benchmark our clients target is 30-40% of revenue on owned channels within 18 months — enough to survive a marketplace policy shock and to make paid acquisition math work on lifetime value instead of first-order margin.
The American Payment Stack: Cards, Wallets, BNPL and ACH
US checkout is card-first but wallet-accelerated. Stripe carries Visa, Mastercard, Amex and Discover; PayPal remains the trust anchor for buyers over 45; Apple Pay and Google Pay are now decisive on mobile, where a stored-credential wallet can lift conversion by double digits versus manual card entry. Affirm adds buy-now-pay-later for baskets above roughly $100 — in categories like furniture, fitness and electronics, BNPL routinely finances 15-25% of orders.
For B2B and wholesale lines, ACH bank transfer settles invoices at a fraction of card cost. The full stack — Stripe, PayPal, Apple Pay, Google Pay, Affirm and ACH — ships pre-wired in USD in a single checkout flow, so you are not stitching six merchant accounts together before your first sale.
Sales Tax After Wayfair: Nexus Is the Whole Game
There is no federal VAT. Sales tax is set state by state, with combined state and local rates from 0% to over 10%, and since the 2018 South Dakota v. Wayfair ruling you owe tax wherever you have economic nexus — typically $100,000 in sales or 200 transactions per state. Cross a threshold in Texas or Florida and you must register, collect and file there even with no physical presence.
Manual tracking across dozens of states is not realistic, which is why automation through engines like Avalara or TaxJar is standard practice: rates resolve per ZIP code at checkout, nexus dashboards flag approaching thresholds, and filings are generated per state. One relief valve: in marketplace-facilitator states, Amazon and Walmart collect and remit on your behalf for marketplace orders — but your D2C sales remain entirely your responsibility.
LLC, EIN and Banking: The Legal Minimum
You can trade as a Sole Proprietor, but most sellers — including non-residents — form an LLC in Delaware or Wyoming for liability protection and cleaner banking. State filing fees run roughly $90-$200 plus a registered agent, and the EIN from the IRS is free. With LLC and EIN in place, Stripe and PayPal onboarding is dramatically smoother, US bank accounts open faster and wholesale suppliers take you seriously.
Raising venture capital later? A Delaware C-Corp is the standard vehicle, and an LLC can be converted when the time comes. What matters on day one is separation of personal and business liability — in the most litigious consumer market on earth, trading without an entity is a risk few professionals accept.
Shipping Expectations: Two-Day Psychology, Five-Day Reality
Amazon Prime trained the American buyer, but the practical standard for independent stores is 2-5 business days ground delivery. UPS and FedEx dominate ground, USPS wins on lightweight parcels under one pound, DHL Express handles international legs and regional carriers like OnTrac cut costs on the West Coast. Labels print automatically per order with live rate shopping across carriers.
| Carrier | Sweet Spot | Typical Transit |
|---|---|---|
| UPS Ground | 1-70 lb parcels, B2B | 2-5 business days |
| FedEx Ground / Home | Residential mid-weight | 2-5 business days |
| USPS Ground Advantage | Under 1 lb, PO boxes | 2-5 business days |
| DHL Express | International | 2-4 business days |
| OnTrac | West Coast regional | 1-3 business days |
The single highest-leverage tactic is a free-shipping threshold: American buyers expect one, and a "Free shipping over $50" bar in the cart reliably raises average order value. The theme surfaces it by default.
Returns: The 30-Day Norm Amazon Made Mandatory
A 30-day return window with a prepaid return label is the market norm set by Amazon and the big-box retailers — a stingier policy visibly suppresses conversion. The store generates prepaid UPS or USPS return labels automatically, tracks refund status in the customer panel and publishes your policy alongside FTC refund rules on a dedicated page.
Treat returns as retention, not leakage: instant store-credit offers, exchange-first flows and clear label tracking turn a refund request into a second purchase surprisingly often. Categories with high return rates — apparel, footwear — should price the 15-25% return reality into unit economics from the start.
CCPA/CPRA and ADA: America's Two Compliance Fronts
There is no US GDPR, but California's CCPA/CPRA is the de facto national baseline. Full obligations kick in above $25M revenue or data on 100,000+ California consumers, yet the "Do Not Sell or Share My Personal Information" link and a compliant privacy notice ship standard so you are prepared from day one — and ready for the copycat laws in Virginia, Colorado and beyond.
The second front is accessibility. Thousands of ADA web-accessibility lawsuits are filed every year, many targeting small e-commerce sites. Themes follow WCAG 2.1 AA presets — contrast ratios, keyboard navigation, alt-text discipline, focus states — which is both a legal shield and a conversion improvement for the roughly one in four American adults living with a disability.
Fulfilment Models: 3PL, Amazon MCF and Dropshipping
Self-fulfilment stops scaling around 20-30 orders a day. The standard next step is a 3PL — ShipBob, ShipMonk and similar networks put inventory in two or three US warehouses and reach most of the country in two days ground. Orders route to the 3PL automatically and stock syncs back to the store. Alternatively, Amazon MCF ships your D2C orders from FBA inventory, one pool serving every channel.
Dropshipping remains viable for catalogue breadth: orders forward to wholesale suppliers, and a resale certificate keeps those purchases sales-tax-exempt. Whichever model you run, inventory and pricing stay in sync from one dashboard — the operational failure mode in the US is almost always overselling during a demand spike, not underselling.
Email and SMS Marketing: Powerful, but Mind the TCPA
Email drives 25-30% of mature D2C revenue through welcome, abandoned-cart and win-back flows, governed by the relatively light CAN-SPAM Act. SMS converts even harder — 30%+ click rates are common — but sits under the TCPA, where sending texts without express written consent exposes you to statutory damages of $500-$1,500 per message and an active class-action bar.
The safe pattern is standard: explicit SMS opt-in checkbox at checkout (never pre-ticked), clear frequency disclosure, HELP/STOP keywords honoured instantly and consent records retained. Done properly, an SMS list monetises at multiples of email per subscriber; done carelessly, it is the most expensive marketing mistake available in America.
Conversion Optimisation for the American Shopper
US buyers convert on trust signals and friction removal: visible reviews with photos, a clear returns promise above the fold, guest checkout, address autocomplete and taxes shown before the final step. Prices are quoted pre-tax — showing sales tax only at checkout is the American convention, not a dark pattern. Seasonal peaks are extreme: Black Friday through Cyber Monday can deliver a normal month's revenue in five days, so load-tested checkout and inventory buffers matter.
Zunapro ties the whole system together — D2C storefront, Amazon and Walmart sync, carrier labels, nexus-aware sales tax, CCPA and ADA presets and the email/SMS stack — in one panel, so a lean team can run a US operation that looks and performs like a domestic incumbent.