Welcome eBay Sellers

If you are looking for a solid, time tested tool that won’t empty your wallet, you’ve come to the right place.

In 1997 our founder John Slocum created AuctionAssistant, the very first seller tool for eBay. After being acquired by eBay, our team went on to create two of eBay’s most popular selling tools, Seller’s Assistant and eBay Blackthorne. Since leaving eBay in 2009, we’ve taken our 20 years of experience and rolled it all into our best software ever, SixBit.

We’ve talked with tens of thousands of eBay sellers. We’ve listened, discussed and implemented hundreds of special requests to make SixBit extremely powerful and customizable.

Everything you need to run an eBay business.

Listing Tool

Use presets, wrappers and templates to minimize the time it takes to enter and submit data to any site.

Inventory Management

Keep track of purchases, storage locations and past costs so you never oversell again.

Order Management

Package, ship and track orders for all sites from a central order process.

Consignments

Design consignment plans, communicate with consignors and generate payout reports.

Drop Shipping

Easily update inventory from drop ship suppliers and automatically email them as sales occur.

Reporting

Stay up to date on what’s selling and how much profit you are making.

Fitments Management

Supports eBay fitment and compatibilities including UK MVL and UK MML

Promotions Management

Build, schedule, and run promotions on your eBay listings all from within SixBit

Purchase Orders

Integrate your supply chain directly into SixBit for a full inventory management system.

Labels & Packing Slips

Print packing lists for your packages or even labels for your shelves. Our barcodes help you find items in SixBit easier.

Rich Item Descriptions

Using our deep variable system, develop descriptions that can be applied to multiple items with no editing required.

Customizations

Arrange our data views and layouts to best suit your workflow and optimize efficiency.

Desktop Based

Running on your desktop lets you work offline with no internet slowdowns and you can keep past items as long as you’d like.

For One or Many

Supports multiple marketplace User IDs and employees, along with permissions and activity tracking.

Data Exchange

Import from eCommerce sites to ensure a quick start. Integrate with other systems easily using Excel, CSV, XML or our API.

“I actually turn to my wife and ask … ‘Have I told you how much I love SixBit?’ at least once a day.”

Nik & Lisa Oquist
OquistStamps, LLC

Try it free for 30 days, no contracts, cancel any time.

Check out our offerings and get started today!

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