Aggregate Your Selling Platforms
Track marketplace, direct, and consignment sales together in one place. Know how much money you are making across all the ways you sell.
Watch a real walkthrough inside Net Gain Seller. Click the Play button on the video below.
Download Net Gain Seller today and see for yourself how easy it is to track your inventory, sales, marketplace fees, and true profit. Try it now and simplify your life!
Net Gain Seller works with any marketplace!













Inventory And Sales Tracking For Resellers
Net Gain Seller is an Excel-based inventory and sales tracking software built specifically for resellers.
It tracks inventory, sales, cost of goods, expenses, marketplace fees, shipping, refunds, and Profit and Loss in a way that's easy to understand.
Keeping track of your inventory and sales can feel like an overwhelming task. Which items are in-stock or sold? What are your expenses? Your profits?
Net Gain Seller takes care of all this so you can spend more time working on your business and making money.
It also includes reports resellers most care about such as Aging Inventory, Profit & Loss, Sales By Marketplace, Marketplace Fees, Top Most Profitable Items, Bottom Least Profitable Items, Shipping Profit & Loss, and more.
The best part is no knowledge of Excel is required!
You enter your inventory, sales, and expenses and Net Gain Seller creates reports for your business.
We’ll import your existing listings when you purchase so you can get started immediately — no setup required
Reports
eBay Sales
Facebook
Sales
Etsy Sales
Mercari Sales
Cost Of Goods
Marketplace
Fees
Shipping
Expenses
Refunds
Net Gain Seller is not affiliated with eBay, Facebook, Esty, Mercari or any other selling platform.
See exactly where your money is coming from, where it's going, and which parts of your reselling business are performing best — and worst.
25+ built-in reports designed specifically for resellers.
✓ See your profit clearly across every sale
Know exactly how much you’re making after fees, shipping, and expenses.
Spot aging inventory, understand inventory value, and see where your items came from.
See which categories, marketplaces, and sourcing methods are driving your sales.
Understand how fast your inventory sells and identify your fastest and slowest movers.
Quickly find profit leaks, refunds, and fees that may be hurting your business.
Double down on what’s working by seeing your best sales and tracked mileage.
Track Every Sale In One Place
Track marketplace, direct, and consignment sales together in one place. Know how much money you are making across all the ways you sell.
Track all of your reseller accounts in one place. Know how much money you are making across your entire reseller business.
Easy-to-understand Seller Dashboard shows you your inventory and sales data at a glance.
Run reports such as Aging Inventory, Profit & Loss, Sales By Marketplace, Marketplace Fees, Shipping Profit & Loss, and more.
Get valuable insight into your business through your data such as average sale price, sale profit, sales days, and sales speed.
Track your sold and active inventory. Also, track inventory that was donated, gifted, or thrown out.
Track your total listings, active listings, sold listings, and inactive listings.
Quickly identify aging inventory so you can take action to sell it such as lowering the price.
Track marketplace, direct, and consignment sales in one place — with automatic calculations for gross sales and net profits.
Track your expenses including cost of goods, refunds, shipping costs, mailing supplies, selling platform fees, amount due consignors, car mileage and more!
Track your shipping credits, costs, and shipping profit or loss. Know if your over or under charging for shipping.
Track your refund percentage and dollar amount. Monitor refund rates so you can spot issues early and protect your marketplace performance.
Keep track of where you sourced items such as an estate sale, thrift store, or garage sale. Discover which sources are making you the most profit.
Track which marketplace sold an item so you know where your sale are coming from. Discover which marketplaces are making you the most sales.
Net Gain Seller is fully customizable. You can add any reseller account, selling platform, sourcing company name, item category, expense category, and more!
Always be tax ready. Track expenses with Schedule C categories and even track your mileage deduction. Know your numbers all year round. No more stress at tax time!
Your data stays private and local on your computer and is never uploaded to the cloud.
You own and control your data and can export it at any time.
Download and install updates so you're always using the latest software.
Simplify your life and reduce your stress.
Tax Readiness
Know your exact profit, expenses, and deductions all year long — so tax time becomes simple, not overwhelming.
✓ Track everything you need for tax time — in one place
Built on one of the world’s most trusted spreadsheets
Built on Microsoft Excel — used by hundreds of millions worldwide.
Built on Microsoft Excel
Familiar spreadsheet interface with the features and reporting resellers need.
Net Gain Seller works with any marketplace!













Download Net Gain Seller today and see for yourself how easy it is to track your inventory, sales, marketplace fees, and true profit. Try it now and simplify your life!