The Upcyclist Blog

Know Your Numbers. Flip Smarter.

Tips, math, and strategy for resellers. Learn how to price for profit, source what sells, and grow from first flip to full-time.

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8 articles about Inventory tracking.

A reseller reviews charts on a laptop beside two labeled shipping boxes on a wooden table.

Selling on Multiple Platforms: Keep Your Records Straight

Listing on eBay plus a second site can speed up sales. It can also sell one item twice. Here is how to keep one clean record.

November 4, 2026Read →
A reseller packs a cardboard box at a desk beside a laptop, sneakers and shipping supplies.

Best App for Resellers: Match the Tool to the Job

There is no single best reseller app. Sort tools by the job they do, then see what each one costs per sale before you subscribe.

November 2, 2026Read →
Vintage irons and coffee grinders among assorted secondhand objects on a market table.

Estate Sale Sourcing: Find Sales and Buy for Profit

Estate sales can be great sourcing, or a fast way to fill a garage with inventory that never sells. Learn where to find sales, when to go and what to pay.

October 31, 2026Read →
A black calculator, notepad, pencil and coins above an envelope marked Taxes.

Do You Pay Taxes on Reselling? What to Track Before Tax Season

Your marketplace payouts are not your taxable profit. Learn when reselling income is taxable, what Form 1099-K shows, and which expenses to track all year.

October 30, 2026Read →
Cardboard boxes and packing materials stored on metal shelving

Reseller Inventory Aging: Review Cash Sitting in Unsold Stock

Separate acquisition age from listing age, reconcile remaining stock at cost, and choose practical next steps for older inventory.

October 26, 2026Read →
Clothing, shoes, a bag and accessories arranged together on a light surface

How to Track Reseller Lots, Partial Sales and Cash Recovery

Record one purchase, link each partial sale, and keep sold cost, remaining inventory, realized profit and recovered cash separate.

October 24, 2026Read →
A vintage portable typewriter in an open case on a wooden chair at an outdoor flea market, with a stop sign, a wooden tennis racket, and tables of secondhand goods behind it

How to Track Reseller Inventory and Profit

Revenue isn't profit. Learn a simple inventory system that records what each item cost, what it sold for, and what you actually kept.

September 25, 2026Read →
Crowded vintage shop with tin signs on the wall, colored glass seltzer bottles, shelves of radios, clocks and collectibles, and bins of stock

eBay Inventory Management: Track Costs and Completed Sales

eBay tells you what sold. It doesn't tell you what you paid, what's sitting unsold, or what you actually kept. Here's a simple system that does.

September 5, 2026Read →

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